Those smiles probably aren’t thanks to tryptophan. Monkey Business Images/Shutterstock.com

Turning to turkey’s tryptophan to boost mood? Not so fast

Tryptophan, found in food, is an important ingredient in the neurotransmitter serotonin. But is that enough to support it as a possible mood booster? The research is decidedly mixed.
Supporters of former Bolivian president Evo Morales rally with indigenous flags outside the city of Cochabamba, Bolivia, Nov. 18, 2019. AP Photo/Juan Karita

Old religious tensions resurge in Bolivia after ouster of longtime indigenous president

Indigenous people, symbols and religious practices filled the halls of power in Bolivia during Evo Morales' 14-year tenure. Now a new conservative Christian leader seems to be erasing that legacy.
California is implementing universal screenings for childhood trauma. wavebreakmedia/Shutterstock.com

How universal childhood trauma screenings could backfire

Universal screenings for childhood trauma, like the ones being implemented at California schools, may cause more harm than good, a scholar argues.
Blood has special traits unique to every person. TippaPatt/www.shutterstock.com

What are blood types?

Every person's blood is identified by type. Why does this matter?

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