1.   Among other things, carbohydrate is crucial for production of the brain chemical serotonin, which is necessary for mood maintenance and sleep.

2.   Folic acid is needed to convert amino acids into the brain chemical serotonin, which affects our moods.

3.   Irritability, aggression and depression are linked to low levels of the brain chemical serotonin, an imbalance Paxil is designed to correct, Maiuro said.

4.   National Institutes of Health studies have linked low levels of a brain chemical called serotonin to abnormally aggressive or violent behavior.

5.   No one knows how Prozac-like drugs, which alter levels of the brain chemical serotonin, might affect a growing child.

6.   Obsessive-compulsive disorder, for instance, is linked to low levels of the brain chemical serotonin.

7.   Researchers say carbohydrates in chocolate raise levels of the brain chemical serotonin, improving mood.

8.   Specifically, dexfenfluramine boosts the activity of a brain chemical called serotonin, she notes, adding that a serotonin deficiency underlies both carbohydrate craving and depression.

9.   The chemical serotonin is released from a bundle of nerve cells in the brain stem.

10.   The experts explain that a brain chemical called serotonin can affect mood and appetite.