Two lightly wounded by rocket impacts in Ashkelon

A recent study shows that nearly one in five school-aged children and preteens in the United States are taking melatonin supplements for sleep, sparking concerns about the safety of the products.Melatonin is a hormone that the brain produces in response to darkness, which regulates the sleep-wake cycle. In the United States, melatonin is sold as an over-the-counter dietary supplement or sleep aid.