You’ve had your own personal set of fingerprints since before you were born, and they’ll be with you throughout your whole life.

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.

When Marc and Cristina Easton’s son was diagnosed with autism at 20 months, the Baltimore couple left the doctor’s appointment in confusion. Their toddler - who was very social - didn’t resemble the picture of the condition they thought they knew. And the specialists could offer little clarity about why or what lay ahead. It wasn’t until four years after their child’s diagnosis that the Eastons finally began to get answers that offered them a glimmer of understanding. This summer, a team from Pr