UCLA researchers Helen Lavretsky and Michael Irwin conducted an eight-week, randomized trial on the effects of meditation exercise on 49 people who were home-based caregivers of a loved one with dementia. About half of the caregivers listened to relaxation tapes for 20 minutes a day for eight weeks, while the other caregivers practiced Kirtan Kirya yoga, a meditation exercise. The study's authors then conducted tests on mental and cognitive health, did brain scans and measured telomere length. Telomeres are sequences of DNA at the end of chromosomes that are protective of cellular health. Measuring telomere length can be used to determine how fast a person is aging. (MORE)
Source: LA Times

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