Calm Acceptance

Finding out that you are predisposed to Alzheimer's disease doesn't appear to impart any short-term psychological risks, according to a study in the New England Journal of Medicine. The researchers randomly assigned 162 adults with a parent with Alzheimer's disease to receive the results of their own APOE test or not and measured the participants for anxiety, depression, and test-related distress six weeks, six months, and one year afterward.

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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.