At many Thanksgiving tables, eager feasters may offer the popular fact that we get sleepy after the holiday meal because of a molecule in turkey called tryptophan. In fact, tryptophan has gotten as ...

It’s hard to be a fan of tryptophan these days. The essential amino acid oft-blamed for inducing sleepiness after Thanksgiving dinner has given us another reason to say no thanks to meats, dairy, nuts ...

Scientists have discovered that an imbalance of certain chemicals in the brain could help explain why teenage girls are at greater risk of depression than boys. Specifically, researchers claim to have ...