Stress Eating and the Healthy Eating Meditation Practice

by Baxter

Breakfast of Champions by Melina Meza

Recently I had the good fortune to present an all-day workshop on Yoga for Healthy Eating at the Yoga Journal Conference in San Francisco. The workshop was in many ways a distillation of all of the ideas and information we have presented here at YFHA over the last 2+ years. And as I prepared for the day, and while I was presenting the workshop, the stories my students and workshop attendees shared with me really brought home once again how powerful our daily modern stresses are in derailing our attempts at healthy eating.

As we have addressed here previously, the stress response, which usually is NOT to a true life-threatening emergency these days, causes an immediate impulse behavior that is essential in a true emergency, when you need to act, not mull over what to do. But because we are usually at the desk or behind the wheel and not actually fleeing or fighting and expending energy, the impulse tends to override our commitment and willpower to maintain healthy eating habits. So sometimes we grab a snack as our impulsive reaction.

On top of that, the stress reaction releases extra cortisol into our blood stream, which hangs around a lot longer than the fast acting adrenalin and CRH hormone. And cortisol tends to increase our appetite, even if it is nowhere near mealtime. So we have yet another urge to eat. And since the body releases energy-rich sugar molecules into our bloodstream in those first moments of our stress response - molecules that have been stored in the body for emergencies - we tend to be more likely to want to replace them by reaching for carbohydrates that are rich in similar sugar molecules when that post-event cortisol appetite strikes. So we make another unhealthy choice by going for the snack foods and sugar-rich soft drinks so readily available at work and at the store! What’s a determined yogi to do?

Nina has suggested that a regular stress-reduction asana practice—with an active portion (such as a few rounds of Sun Salutations to address held physical tension in the body), followed by several restorative poses or even a supported easy inversion—combined with meditation and breath awareness -- is a good option for beginning to deal with the overall stress in your life. And we have also talked about how the stress response causes that immediate impulsivity, which Kelly McGonigal, PhD says reduces your willpower in the moment of the stressful event. But she also notes that a regular meditation practice tends to build willpower, possibly offsetting the stress response impulsivity and getting you through those daily stressful bumps. According to one study, even 10 minutes a day starts to do the trick after you rack up as little as three hours of total meditation time over several weeks.

All of this made me think about the times when you return home from a stressful day, fatigued and not wanting to or having the energy to do your stress management practice. So I came up with a 20 minute practice to address the general effects of stress and to support our resolve and will power to eat more healthy, that just about anyone can do when you first get home.

Before I share this fairly simple practice, I want to reiterate our recommendations on what to do in the moment of the stress event. Consider any of the following:

• Get up and take a short, brisk walk.
• Try one of our short office yoga practices, which you can do at work or just about anywhere.
• Drink a big glass of water and sit quietly, observing your breath for five minutes before acting on the impulse to eat.
• If you really feel you need to eat something, be prepared with healthy whole-food snacks you bring to work each day, or have in your purse or backpack before you leave home for the day.

For the 20-minute practice, I’m proposing a two-part meditation. You can practice this when you get home or, honestly whenever it suits your schedule. But I suggest you do it every day (we’ve said before and I’ll say it again: your bad habits never change without work and practice!).

Part 1:  This is your Stress Reduction practice, a 10-minute simple, reclined meditation. Before practicing, set a timer so you don’t have to worry about what time it is, because that is not relaxing. For this practice, lie in Relaxation pose for 10 minutes, and simply focus on your easy, natural breath as it enters and exits your body. That’s it. Try to stay gently awake. You can use a blanket support under your spine and head, or just a pillow to lift the head slightly. The purpose of this first meditation is to trigger the Relaxation Response that Herbert Benson first described back in the 70’s.

Part 2: This is your Willpower Boosting practice, a 10-minute seated meditation practice. Come up from your reclining position and sit with or without support on the floor, or use a chair if you prefer. Set your timer again for 10 minutes. Now, establish a nice inner lift from your sitting bones up to the crown of your head. Then pick a simple word or phrase to use as your mental focus, and repeat it to yourself mentally on each exhalation. You might use the phrase “healthy eating” as your intention, or pick something that works better for you. When you notice that you’ve become distracted, immediately return to repeating your phrase. This second meditation is not about relaxing, but about staying focused and concentrated on your intention. That does not mean you might not still feel relaxed at the end, but that’s not the purpose. Remember, studies have shown that meditations like this not only make meditating easier over time, but also improve a wide range of self-control skills, which is what we are after!

So there you have it—the 20-minute, two-part Healthy Eating Meditation practice! Give it a go for the next month. And let us know what changes you notice. No time like the present to make the change you want to see in 2014!

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Yoga for Healthy Eating: An Overview

by Nina

Both Baxter and I have already written a number of posts exploring the topic of Yoga for Healthy Eating. But seeing that it’s the beginning of a new year—when people often make resolutions regarding their health—I thought now would be a good time to provide an overview of the topic. Basically, between the two of us, we’ve come up with a four-pronged approach to support healthy eating:

• Understand your digestive system

• Practice stress management
• Cultivate mindfulness
• Strengthen Will Power

1. Understanding Your Digestive System

Baxter has recorded a short audio tour of the digestive system (see Audio Tracks) that you can use to learn about how your digestive system works and what happens to your food as and after you eat it. It’s especially helpful for you to learn about how your digestive system interacts with your Autonomic Nervous System and higher brain function. When you’re in a state of stress (see Stress, Your Health and Yoga), your nervous system diverts your body’s resources away from your digestive system (you don’t need to be eating or digesting your food when you’re running away from that tiger or that car that looks like it’s not going to be stopping before the crosswalk!). So chronic stress can cause digestive problems. In addition, even thinking about stressful situation can have a potential negative impact on digestion!

2. Practicing Stress Management

Chronic stress may not only cause digestive problems as I mentioned above, but the cortisol that is released can cause weight gain by stimulating your appetite (Yoga, Stress and Weight Management). So one of the most important things you can do to improve digestion and move toward healthy eating is to use your yoga practice to reduce your stress levels. See The Relaxation Response and Yoga for basic information on using yoga to switch your nervous system from the Fight or Flight response (stress mode) to the Rest and Digest response (relaxation mode). It’s not called the Rest and Digest mode for nothing!

3. Cultivating Mindfulness

Many poor eating habits are just that—habits! Practicing yoga asana with mindfulness and meditating will help you tune into your body, and not to ignore it. And as you tune into your body, you may learn about foods you are currently eating that are compromising your health (see Got Mindfulness?) or notice poor eating habits, such as eating beyond satiety (see Meditation and Healthy Eating). Cultivating mindfulness can teach you to recognize:

• which foods are good for you and which are not (not just junk food, but maybe food intolerances or allergies)
• when you are full and don’t need to eat more
• when you are thirsty instead of hungry
• when you are eating for stress, not for hunger

See Yoga for Healthy Eating for more information.

Mindfulness will also help you start to recognize habitual thoughts that are getting in the way of healthy eating. You can then work on changing your perspective (see Cultivating the Opposite).


4. Strengthening Will Power

Once you’ve identified your habits or have decide to eliminate or cut back certain foods, it takes will power to change! According the Dr. Kelly McGonigal, being in a state of stress can increase impulsive behavior and decrease will power. So practicing stress management as we describe above will help with your will power (see Healthy Eating, Stress and Self Control). However, you can also use a meditation practice to intentionally strengthen your will power.  Meditation teaches you to return to your object of meditation (your focus) and tune out distractions (temptations):

“Neuroscientists have discovered that when you ask the brain to meditate, it gets better not just at meditating, but at a wide range of self-control skills, including attention, focus, stress management, impulse control, and self awareness. People who meditate regularly aren’t just better at these things. Over time, their brains become finely tuned willpower machines. Regular meditators have more gray matter in the prefrontal cortex, as well as regions of the brain that support self-awareness." —Dr. Kelly McGonigal

See Meditation and Healthy Eating for more information.

Tune in tomorrow to hear from Baxter on the same topic! He’ll discuss stress eating and recommend some specific yoga practices for you to support your goals for healthy eating. 

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Sleep: A Pillar of Life

by Ram

Siesta by John Singer Sargent

According to the Ayurveda philosophy, there are three supports or pillars of life. Sleep is one of the pillars, with the other two being good digestion and sexual restraint. These pillars endow the body with strength, complexion and healthy growth that can continue until the full span of life, provided the individual does not indulge in activities that are detrimental to health. According to the Charaka Samhita, a foundational Ayurvedic text:

“Happiness, misery, nourishment, emaciation, strength, weakness, virility, sterility, knowledge, ignorance, life and death -- all these occur depending on proper or improper sleep.”

Proper sleep and rest is essential for the well-being of any individual. The body utilizes the sleep time to repair itself of any damage sustained during the waking hours. Sleep helps us thrive by contributing to a healthy immune system and balance our appetites by helping to regulate the levels of hormones that play a role in hunger and satiety. So when we’re sleep-deprived, we may feel the need to eat more, which can lead to weight gain. A good night sleep enhances the same positive feelings and states of being that we achieve through our yoga practice. Good sleeping habit plays a direct role in how full, energetic and successful our lives can be. There's no question that we feel better after a good night's rest. It seems that, if we want to live to our full potential, we must approach sleep as a personal practice.

According to the Harvard Women’s health watch, there are six primary reasons to have sufficient sleep:

• Sleep helps the brain sustain and preserve new information to memory; people who have a good sleep after learning a task do better on tests later
• Sleep deprivation triggers weight gain
• Sleep deficits contribute to accidents, falls and traffic mishaps
• Sleep deprivation triggers emotional disturbances
• Sleep disorders can be a cause of hypertension and irregular heartbeat
• Sleep deprivation lowers immunity making the individual more susceptible to degenerative diseases or infections

How sleep is beneficial and how we are affected by sleep is of great interest to sleep researchers. In a landmark study, scientists discovered that during sleep the brain clears out harmful toxins thereby reducing the risk of several brain diseases. Nina elaborated on this study in one of her previous posts Sleep, Alzheimer’s Disease and Yoga.

In another recent study, a group of researchers from the Cognitive Neuroscience Laboratory of Chicago showed that good sleep is the antidote to fear. In experiments involving 15 normal human subjects, the researchers demonstrated that specific fear memories of human beings were wiped out during the slow-wave sleep. The complicated small sample study involved exposing the human subjects to two fear contextual cues: pictures of faces accompanied by an electric shock (to generate a fear response) and specific aromas associated with the faces.  All test subjects learned to fear the faces and the aromas that came with an electric shock. The subjects were asked to sleep and all the subjects were exposed again to the specific smells associated with the fear when they entered the slow-wave sleep cycle. Interestingly, the fear response to the specific odor had significantly waned in the slow-wave sleep cycle, suggesting the importance of sleep as a therapy to boost fear extinction memory.

In addition to supporting the Ayurvedic concept of sleep being one of the pillars of life, the above-mentioned research studies appear to offer a reasonable explanation of the need to have good and timely sleep. Proper sleep contributes to psychological health and well-being. However, most of us will encounter sleep disturbances throughout the course of our lives. In fact, one out of three people will experience sleep disturbances at some point in their lives. Sleep disturbances do not allow the proper repair of injuries making the tissues more susceptible to further injuries. This leads to the body breaking down. Sleep deprivation/disturbance is also a major source of stress among adults. A mere week of unrest or sleep deprivation can cause severe mood disturbances, depression and emotional upheaval. In a multicenter, randomized controlled trial for sleep quality among cancer survivors, a yoga program consisting of breathing exercises (pranayama), 16 gentle hatha and restorative yoga postures (asanas), and meditation was found to be a useful treatment for improving sleep quality and reducing sleep medication use among cancer survivors. Yoga participants demonstrated (a) greater improvements in sleep quality, quantity and efficiency, and daytime dysfunction and (b) decreased intake of sleep medication.

For more on yoga programs for sleep disturbances check Nina’s articles on these specific topics, including Day to Night: Yoga for Better Sleep. I hope after reading this article you will appreciate the importance of good sleep. Remember, good sleep is essential for a person’s health and wellbeing, and if you are experiencing sleep problems there is quite a price to pay.  I am reminded of Mahatma Gandhi’s quote from one of his speeches:

“Each night, when I go to sleep, I die. And the next morning, when I wake up, I am reborn.” 

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Friday Q&A: What is Slow, Gentle Yoga?

Seaweed by Melina Meza

One of our readers left the following question on the post Degenerative Disk Disease and Yoga:

Q: I wonder what you mean by 'gentle, slow yoga'? Could you give some examples?

A: In the post in question, I was reviewing a study that looked at the spines of experienced yoga teachers and observed that the discs between the bones of the spine—the vertebrae—were healthier than a control group who did not do yoga. The teachers, who were from Taiwan, all taught a “gentle, slow form of yoga.” Unfortunately, from what I could find online, I was not able to ascertain which yoga lineage or modern strain of yoga they were teaching.

When I speak of “gentle, slow yoga,” I am referring to practices that would typically include mostly beginning-level yoga postures, although some intermediate poses, especially seated poses, could be done in a gentle way. In fact, the way in which the poses are instructed or performed, that is, the quality of the effort, would be gentle. The poses could be held for a while, say a few breaths to several minutes, if the gentle quality could be preserved, or there could be a slow transition from pose to pose, a kind of slow motion vinyasa style practice. Many of my colleagues teach what they call “Slow Flow,” which could qualify in this category of style of practices, to differentiate from the faster vinyasa classes that move more rapidly from pose to pose, such as “Power Flow” classes or the Ashtanga Primary series. More obvious, perhaps, would be Restorative Yoga classes, where the effort is minimal, and one tends to be in each pose for several to many minutes. Many studios now offer public classes that they actually name “Gentle Yoga.” But names can be deceiving, so the proof is in the pudding, as they say. See what your experience is like in so-named classes before you give it the “gentle, slow yoga” seal of approval.

And don’t be led to believe that just because a practice is gentle and slow it may not be effective, or that you won’t feel much. In the study at hand, it may have led to the better disc health for these teachers as demonstrated on MRI studies. And on a day-to-day or week-to-week basis, you may also notice distinct improvement in mobility, strength, balance and agility despite the “name” of the class or style. If you haven’t given this kind of class a spin, maybe this is the weekend to do so!

—Baxter

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Lowering Your Blood Pressure

by Nina

If you have high blood pressure—or even high blood pressure that is being controlled with medication as Timothy wrote yesterday—there are certain anti-stress poses that you should not be doing. Although inverted poses can lower blood pressure due to the interaction between your baroreceptors and your nervous system (see Why You Should Love Your Baroreceptors), going upside down initially raises your blood pressure before feedback from the baroreceptors to the nervous system causes the Relaxation Response to kick in. This initial rise in blood pressure is why the poses are considered dangerous for those whose blood pressure is already high (and perhaps for those whose blood pressure is being controlled with medication as Timothy wrote in Keeping Yoga Safe for People with High Blood Pressure), because there is concern it could cause a stroke.

Timothy didn’t list exactly which inverted poses besides Headstand that people with high or even controlled high blood should be avoiding, so I decided to talk with Baxter about the topic in order to list them out for you. The good news is that Baxter considers three of the most effective stress-reducing inversions to be generally safe. I’ve divided the inverted poses into same three groups I used in my post All About Supported Inversions. So here goes:

Full Inversions: Poses to Avoid

• Handstand (Adho Mukha Vrksasana)
• Forearm Balance (Pincha Mayurasana)
• Scorpion (Vrschikasana)
• Headstand (Sirsasana)
• Shoulderstand (Sarvagasana), including the chair version
• Plow (Halasana), including the chair/bench version

Because you are fully inverted in these poses, the blood quickly rushes toward your head, initially raising your blood pressure. In addition, most of these poses are stressful to perform, especially for beginners, and the stress itself can raise your blood pressure.

Half Inversions: Poses to Evaluate

• Downward-Facing Dog pose (Adho Mukha Svanasana)
• Standing Forward Bend (Uttanasana), with or without support
• Wide-Legged Standing Forward Bend (Prasarita Padottanasana)

Poses where your head and torso are inverted but your legs not, such as Standing Forward Bend, are probably safe. But Baxter recommends that you ask your teacher to look at you while you are doing the poses. The same questions about how you look in the pose that Timothy listed yesterday would be helpful for assessing the suitability of these poses for you or, if you’re a teacher, for your student.

“Does the student appear to have the strength and flexibility to do the pose safely? How is their breathing in the pose? Do they look uncomfortable? Are they able to maintain a healthy curve in the neck? Are their neck veins bulging? How do they say they feel in the pose? It is even possible, if you've got a blood pressure device, to measure the pressure to make sure it isn't spiking in the pose or poses you're concerned about.”

If the pose is difficult or stressful for you, you may want to exclude it from your practice. If you decide to exclude these poses, you can practice Half Downward-Facing Dog pose at the Wall instead.

Gentle Inversions: Poses that are Generally Safe

• Legs Up the Wall pose (Viparita Karani)
• Easy Inverted pose (Viparita Karani with bent legs)
• Supported Straight Leg Bridge pose (Setubanda Sarvangasana)

According to Baxter, gentle inversions where your heart is only slightly higher than your head and your body slopes gradually down, such as Legs Up the Wall pose, do not seem to cause an initial rise in blood pressure (he has done some informal testing). Therefore, he feels comfortable in saying they are generally safe. One caveat might be that if your blood pressure is wildly out of control, it might make sense for you to do a different type of practice for stress reduction (see below).

Safe Ways to Lower Blood Pressure

Remember, there is no need for you to do any inverted poses! If you are at all concerned about going upside down, you can choose from several other very effective and safe techniques for lowering your blood pressure. Any yoga or meditation technique that triggers the Relaxation Response (see The Relaxation Response and Yoga) will lower your blood pressure (this was proven in the 70s by Dr. Herbert Bensen and described in his book The Relaxation Response, which I highly recommend). Probably the easiest thing to do is just to sit quietly and observe your breath or recite a mantra. But you can practice any form of mediation, practice Yoga Nidra, any guided Savasana, or any form of Relaxation pose (Savasana) with a mental focus. You could also practice your favorite restorative poses (see Mini Restorative Practice, also with a mental focus. Just be sure to take a non-judgmental attitude toward your practice, give yourself at least 10 to 20 minutes of practice, as it takes a while for the Relaxation Response to kick in, and don’t fall asleep (sleeping is different than conscious relaxation).

All of these options are wonderful for anyone who experiences “situational” high blood pressure (when getting stressed out or angry causes... well, you know!) And practicing conscious relaxation on a regular basis will also enhance your health in the short term (bolstering your immune system) and the long term (helping to prevent heart disease, strokes, and other diseases of aging).

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Keeping Yoga Safe for People with High Blood Pressure

by Timothy

Monterey Cyprus by Melina Meza

I recently taught a course on Yoga for High Blood Pressure on Yoga U Online. During the program I suggested that doing certain inverted poses such as Headstand (Sirsasana) may not be a good idea, even for some people whose blood pressure (BP) is “well controlled” by medications. But one listener had heard during her teacher training that inversions were okay in this situation. Her instructors had consulted a local cardiologist and shown the doctor the poses in question, and he had said he didn't have a problem with them in people whose BP was under control.

The concern is that when you go upside down, the pressure in the head increases, which could at least theoretically increase the risk of a stroke. I say theoretically, because actually no one really knows how large the risk is, though it's likely very, very small. As I've written elsewhere, more than likely yoga greatly decreases the overall risk of a stroke. But that doesn't mean it's a good idea to push your luck.

Interestingly, blood pressure is one area where yoga teachers are sometimes more conservative than doctors. Aadil Pahkivala, the teacher I worked with on the high blood pressure chapter of my book Yoga as Medicine, has found that some people with well-controlled BP nonetheless demonstrate jitteriness when they do some inversions and strong backbends. This nervous system agitation, which can be visible to the teacher and palpable to the student  (at least the ones who have developed their internal awareness though their yoga practices), suggests a potential problem.

In medical school, we were taught to always weigh risks vs. benefits of any test, drug or medical procedure under consideration. In medicine, this comes under the category of “first do no harm.” In yoga, we've got the same idea with the notion of ahimsa, non-harming, which is considered the foundation of any yoga practice. Again, the risk of a stroke when inverting with “well-controlled” high blood pressure is likely very small, but even a tiny risk of something very bad should be factored in when deciding whether or not to do a particular yoga pose. In yoga, a crucial way to assess safety is to study your student—or yourself, if you're the student in question—as they do the practice in question.

So rather than simply saying, “The doctor says it's okay to do Headstand so let's do it,” a more prudent approach is to let that be the beginning of your evaluation. If you're a teacher, consider the following questions: Does the student appear to have the strength and flexibility to do the pose safely? How is their breathing in the pose? Do they look uncomfortable? Are they able to maintain a healthy curve in the neck? Are their neck veins bulging? How do they say they feel in the pose? It is even possible, if you've got a blood pressure device, to measure the pressure to make sure it isn't spiking in the pose or poses you're concerned about. And if you're a student concerned about high blood pressure, ask your teacher to help you do this evaluation.

Especially when the risks are uncertain, the more information you can get the better. And after you have all the information, it’s time to practice ahimsa.

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How Yoga Affects Breathing

by Baxter

Jellies by Melina Meza

As I was reading an interview in my latest yogauonline.com newsletter with physician and yoga therapist Loren Fishman, MD and his collaborator Ellen Saltonstall called Can Yoga Preserve Freedom of Movement? (hell, yeah!), a short statement from Dr. Fishman about how physical movement and the breath are connected caught my eye:

“…something that is really very poorly recognized in the medical or the yoga literature: that moving your joints is one of the strongest stimuli to breathing properly and deeply. There are little movement receptors inside all of our joints, and they send signals that go directly and indirectly to the apneustic center, one of the centers in the brain that regulate breathing.”

You may remember that a while back Nina and I wrote a post Falling for Yoga Myths about some of the things that really do stimulate and regulate our breath, and that I also did a post How Breath Affects Your Nervous System detailing the relationship between the Autonomic Nervous System and the breath. Part of my purpose for writing these posts was to correct some common misconceptions about breathing that continue to exist in the yoga community. You may recall that I mentioned that the levels of carbon dioxide (NOT oxygen) in the blood stream are monitored by the deep brain structures, and it is the CO2 levels that have some of the greatest influence on changes in breathing moment by moment. In addition, the brain and the periphery of the body are also assessing the acid/base balance of the blood, or the pH.

But now, Dr. Fishman adds in a new twist to our understanding of breath! Turns out that the same nerve receptors we have talked about in relationship to balance, called proprioceptors, which are located in the muscles, tendons and joints, affect breathing, too. Not only do they tell the brain where you are in space, how fast you are moving and in which direction, but also the movement of joints, tendons and muscles stimulate part of the brainstem that regulates breath called the apneustic center. Located in the part of the brainstem called the pons, the apneustic center is involved in stimulating our inspiration or “in breath.” Movement—physical movement—stimulates increased depth of breathing, known technically as “hyperpnea.” In a serious, life-threatening situation in which the breathing was slowing and shallow, moving someone’s limbs could stimulate the breath back to healthier levels. Cold water and pain can have a similar effect on breathing.

This connection between bodily movement and improved depth of breathing is helpful news, especially when it comes to people who have been previously inactive, have become stiff, suffered a loss of vitality and notice that their breathing does not respond well to physical stresses such as an increase in work load for their body. By beginning to move the joints and limbs systematically, as we would do in a beginning level yoga class, we are (without even mentioning how to breath) going to stimulate an increase in the depth of breathing. I am sure many of you have had this experience: at the start of class, during an initial sitting meditation or centering practice, the breath and chest feel slightly tight and restricted, but when your attention is brought to the breath at the end of a balanced yoga asana practice, the breath seems to have greater freedom and depth with less effort. This body-to-brain connection of the proprioceptors and the pons of the brainstem are likely at work. Just one more reason to keep moving your body!

To read all kinds of nerdy details on the physiology of breathing, check out the article Regulation of Breathing.

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