Feeling worked up? Try yoga and meditation to reduce stress levels
In a new study, participants were assessed before and after participating in a 3-month yoga and meditation retreat that involved daily meditation and Isha yoga, accompanied by a vegetarian diet.Updated: Apr 02, 2018 14:22 IST
Stress affects us all and it isn’t something we can entirely avoid. Researchers have shown how yoga and meditation can have positive effects on stress resilience. A research article investigates the effects of yoga and meditation on brain derived neurotrophic factor (BDNF), the activity on the hypothalamic pituitary adrenal (HPA) effects and inflammatory markers.
By studying the participants of an intensive 3-month yoga and meditation retreat, the researchers found that the practices positively impacted BDNF signaling, the cortisol awakening response (CAR) and immunological markers, and in addition improved subjective wellbeing. In this study, the retreat participants were assessed before and after participating in a 3-month yoga and meditation retreat that involved daily meditation and Isha yoga, accompanied by a vegetarian diet. The yogic practices consisted of physical postures, controlled breathing practices, and seated meditations during which the participants focused on mantra repetition, breath, emptying the mind and bodily sensation.
The researchers measured psychometric measures, brain derived neurotrophic factor (BDNF), circadian salivary cortisol levels, as well as pro- and anti-inflammatory cytokines. They also collected data on psychometric variables including mindfulness, absorption, depression and anxiety, and investigated the relationship between psychological improvements and biological changes.
The data showed that participation in the retreat was associated with decreases in both self-reported anxiety and depression as well as increases in mindfulness. The research team observed increases in the plasma levels of BDNF, a neuromodulator that plays an important role in learning, memory and the regulation of complex processes such as inflammation, immunity, mood regulation, stress response and metabolism.
They also observed increases in the magnitude of the cortisol awakening response (CAR) which is part of the hypothalamic pituitary adrenal axis (HPA), suggesting improved stress resilience. “It is likely that at least some of the significant improvements in both HPA axis functioning as exemplified by the CAR as well as neuroimmunologic functioning as exemplified by increases in BDNF levels and alterations in cytokines were due to the intensive meditation practice involved in this retreat,” says corresponding author Dr Baruch Rael Cahn (University of Southern California, USA). The study has been published in the journal Frontiers in Human Neuroscience.
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First Published: Apr 02, 2018 14:18 IST