Your life is experienced through your nervous system. Think about that. Every thought, breath, heartbeat, memory, and movement happens in coordination with your central nervous system. Researchers have found that nerve signals can travel from your brain to your body at more than 250 miles per hour. Your brain is the master control system of your bo...

Exercise is interesting in terms of effects on the brain because it works in about 4 or 5 different ways. One of the most obvious ways is blood flow. If you get your heart working, your brain is going to be filled with oxygen rich blood and nutrients, so that's the main way that it helps. The other way that's sort of interesting, is it's been thoug...