Fact checked by Nick Blackmer Key Takeaways Higher doses of melatonin can increase the likelihood and intensity of next-day ...

Melatonin is generally safe, but it can cause side effects if you take it in high doses. You may experience sleepiness, dizziness, and an upset stomach if you overdose on melatonin. Stop taking ...

WASHINGTON — A report released by the Centers for Disease Control and Prevention found that the number of children who have taken too much melatonin has increased exponentially over the last 10 years.

Add Yahoo as a preferred source to see more of our stories on Google. Some years ago, pediatrician Dr. Judith Owens noticed a disturbing pattern. A professor of neurology at Harvard Medical School ...