With the Olympics in full swing, we look at the myriad ways losing a competition can wreak havoc on our physical and mental health.

There's scant science to support the ancient Eastern therapy of cupping. But that hasn't stopped Olympians from trying it to ease pain and speed recovery.

"There's something about waves that can get you into kind of a mental funk," one philosopher says. For NPR's summer science series, Joe Palca tries to answer the big question: What is a wave?

Women encounter a dilemma when they get pregnant: Should they continue taking medications that keep them healthy? That question can be scary, because drugs are rarely tested for safety in pregnancy.

Turns out, cockroach milk is among the most nutritious substances on Earth. But it may still be a while before you can scurry to health stores for roach-milk protein shakes.

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