SCIENCE IN THE NEWS DAILY
Healthy Lifestyle Turns Off Genes that Cause Cancer
from New Scientist
It's no secret that a healthy lifestyle can slow the progression of cancer, but how this happens has been a mystery. Now new evidence suggests an answer: dieting and exercise may turn crucial genes on and off.
In a pilot study involving 30 men with early-stage prostate cancer, Dean Ornish and colleagues at the University of California, San Francisco, US, tested the effects of a dramatic lifestyle change on gene expression in the prostate.
Biopsies taken before and after 3 months of healthy eating, moderate exercise, stress management and psychotherapy showed a significant change in the expression of hundreds of genes.
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Cosmic rays have mysterious qualities about them that scientists continue to research in order to better understand their origins and composition. Dr. Eun-Suk Seo, a professor of physics at the University of Maryland, and her colleagues, fly enormous balloons as large as a football stadium and a volume of 40-million-cubic feet for extended periods over Antarctica to study particles coming from cosmic rays before they break up in the atmosphere.
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