A study led by UCSF doctor Dean Ornish found that lifestyle changes -- instead of invasive treatment -- can reverse cancer. In 30 men with early-stage prostate cancer who chose to enroll in his program, which included a "low-fat, whole-food, plant-based diet, stress management, moderate exercise and plenty of 'psychosocial group support,'" Ornish found that the expression levels of more than 500 genes were changed.

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Microsoft co-founder Paul Allen also contributed to brain research, NPR reports.

The New York Times reports on the shifting interpretations of what some genetic variants mean over time.

In Cell this week: investigation of metastatic tumor evolution, more than 16,000 genetic variants introduced into the budding yeast model organism, and more.

MIT's Technology Review reports on Genentech's pursuit of personalized cancer vaccines.