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by Karen Weintraub

For brain boost, go for a walk, talk to a friend

These and other lifestyle changes can lower Alzheimer’s risk

Gender gap skews research

Medical advice women get based on male subjects

What would you like to see in the future?

Teleportation and time travel are some possibilities

Subconscious relationship doubts? Trust your gut instincts

Those night-before-the-wedding jitters might have been more logical than you thought. A study published this week in the journal Science found that the gut reactions people had ab...