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Breathing meditations can reduce muscle tension and heart rate, Vaile Wright, a psychologist and senior director of health care innovation at the American Psychological Association, told CNN in 2020. The calmness felt during or after deep breathing meditations could be due to the delivery of more oxygen to the brain and body, Vermani said.
“We did a one-week retreat on meditation,” said Dr. Deepak Chopra, founder of the Chopra Foundation and clinical professor of family medicine and public health at the University of California, San Diego. “In that one week, all the genes that cause self-regulation, homeostasis — in short, healing — they went up some 17-fold. All the genes that cause or complicated cancer, heart disease, autoimmune illness (and) accelerated aging went down. The level of the enzyme telomerase went up by 30%. This regulates the genetic lock or how we age.”
Remaining research quandaries
Although there are some known benefits of meditation for mental and physical health, researchers are still looking into the best methods for objectively measuring how the practice affects the brain.
Some researchers have increasingly used cognitive neuroscience methods — such as MRIs (magnetic-resonance imaging) — to determine what’s going on in participants neural networks during or after meditation, according to a 2019 review published in the journal Perspectives on Psychological Science.
But pictures from MRIs and other imaging methods might not exactly depict the complex factors that would be involved in some of the conclusions other researchers have made about how meditation could change brain structure and function, the review authors said — potentially leading to “overly simplistic interpretations.”
Also, there have been some studies whose findings challenged the idea of meditation being able to help anyone regardless of their personal differences. “Meditation-related experiences that were serious or distressing enough to warrant additional treatment or medical attention have been reported in more than 20 published case reports or observational studies,” according to the Perspectives on Psychological Science review.
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Those rare reports documented events including psychosis, mania, anxiety, panic, re-experiencing traumatic memories and depersonalization — a state of mind wherein one’s self appears unreal, and the person feels estranged from herself and the external world, and thoughts and experiences have a distant, dreamlike character, according to the American Psychological Association.
The differences between people who do or don’t benefit from meditation could just boil down to figuring out what type of meditation is best for one’s body and mental state, Vermani said.
“Even when we did our study (on meditative breathing for anxiety), we had to screen that generalized anxiety disorder was not complicated by other disorders that could be worse,” Vermani said. This was because one of the meditations Vermani and colleagues were using was bellows breath, an invigorative yogic breathing technique involving rapid inhalations and exhalations for energy and mental clarity.
“If you have bipolar, (bellows breath) can actually induce mania, so it’s a big deal. You don’t teach a pregnant woman bellows breath because it’s so vigorous, you can induce labor. So meditation does have consequences.”
Additionally, some people who turn to meditation have spent years avoiding or distracting themselves from distressing memories.
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“When you’re alone, your thoughts go to the things that you have not dealt with,” Vermani said. “Military, 9/11 responders or cops that I work with — many times, they have so many horrible things that they have seen, they just kind of push through life and function and push things aside. But when they sit in silence and meditate or breathe, all those things come back to the surface because they haven’t addressed it.”
Practicing meditation in supervised settings with professionals who can educate about potential effects has been helpful for people with complicated emotional states, she added.
Meditation is “very accessible,” said Dr. Robert Waldinger, a clinical professor of psychiatry at Harvard Medical School and director of the Harvard Study of Adult Development. “There are now so many apps that if you have a smartphone, you can learn to meditate. Often what’s really helpful is to use one of the apps … where someone guides you through a meditation.”
You can also try an introductory class at a local meditation center, read a book, watch an online video, or practice alone. Whichever path you choose, see what resonates with you — find someone whose voice you like and whose words make sense, Waldinger said.
For beginners, starting out in a professionally led setting can be helpful for reorienting yourself after any hurdles that could lead to quickly giving up or feeling discouraged, Waldinger said.
“There are a lot of misconceptions about meditation,” he added. “One misconception is ‘If I’m doing it right, I’m not supposed to have thoughts.’ And that’s absolutely not the truth. The mind produces thoughts; that’s what it does. So, you won’t get rid of thoughts until you die.”
Instructors can teach you about the aspects of meditation that aren’t intuitive or obvious, such as that having thoughts or a distracted mind is OK, Waldinger said. “If you just set the intention to be present, then whatever happens is what you’re doing, including being distracted.”
Since meditation is about being present, it can be done anywhere, he added — but a quiet, uninterrupted area can be optimal for beginners still learning to focus on the present. You can start with just five minutes per day, then gradually increase.
“Try it every day for a week and see if you notice anything,” Waldinger said. “But even after one time, many people say, ‘Oh, that was helpful. I want to do that again.'”
If you notice that meditating makes you feel worse, talk with an experienced meditator about your experience or wait until you’re in a better emotional or mental state, Waldinger said.
“People are catching on that meditation is more than stress management,” said Chopra, author of “Total Meditation: Practices in Living the Awakened Life.” “When people say meditation, these days, they refer to mindfulness, which is good. But meditation includes self-inquiries of awareness. It includes interoception, (which is) knowing how to navigate control of your autonomic nervous system consciously. It includes that whole aspect of mindful awareness of relationship, of the ecosystem, of emotions, of social emotional intelligence.”