A pediatric dietitian explains when water is enough for young athletes, when an electrolyte drink helps, and how sports drinks differ from oral rehydration solutions.

A registered dietitian who had Cyclospora explains the symptoms, how long it lasts, why it needs a specific test, and how to stay hydrated when diarrhea won't stop.

Should your kids be drinking Prime? Are Prime drinks safe for children and teens? Get the scoop from a pediatric dietitian and mother of three.