Morning Overview on MSN

Depression may soon be detectable through a simple blood test that tracks how your immune cells age

A blood draw can already reveal cholesterol levels, blood sugar, and signs of infection. Before long, it might also flag ...
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Twin study finds genetics outweigh upbringing in predicting success

Genetic influence measured: Researchers found IQ to be roughly 75% heritable, with genes explaining most of the IQ-to-success link in early adulthood. Nature vs. nurture: The study challenges the ...