Runner Things #2475
Posted on 15 Apr, 2014
When people exercise aerobically, their bodies can actually make drugs - cannabinoids (the same kind of chemicals as found in marijuana).
Some Other Things You May Like
Books To Fuel Your Run
Running Like A Girl
by Alexandra Heminsley138,336 Feet to Pure Bliss
What I Learned About Life, Women (and Running) in My First 100 Marathonsby Dane Rauschenberg
Dr. Nicholas Romanov's Pose Method of Running
by Nicholas RomanovThe Terrible and Wonderful Reasons Why I Run Long Distances
The Oatmealby Matthew Inman