Why does sleep become more elusive as we age? It has to do with shifts in "sleep architecture"
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Grapefruit Is One of the Weirdest Fruits on the Planet
Why vitamin pills don't work, and may be bad for you
A Vegetarian Diet Could Cause Long-Term Genetic Changes
A Chinese artist vacuumed up Beijing’s smog for 100 days and made a brick from what he collected
Drowning in Light
Energy Drinks Promise Edge, but Experts Say Proof Is Scant