It is not possible to tickle yourself. If your brain predicts the tickle from information it already has, it doesn't respond in the same way as it would if someone else was doing the tickling.
 | How Running Can Relieve Pain |
 | Tell Tale Signs You Are A Runner 61-80 |
 | Design a Fitness Routine That You'll Never Quit |
 | The Top 25 U.S. Cities For Fit Millennials |
