Fighting Depression: Exercise increases Serotonin

Fighting Depression: Exercise increases Serotonin
First of all, what is serotonin? Serotonin is a chemical that helps relay signals from one area of the brain to another. Serotonin is manufactured in the brain. That’s where it performs it’s major function. However, 90% of our Serotonin is in the digestive tract and in the blood.
It is believed [...]