The findings support Zald’s theory that people who take risks get an unusually big hit of dopamine each time they have a novel experience, because their brains are not able to inhibit the neurotransmitter adequately. That blast makes them feel good, so they keep returning for the rush from similarly risky or new behaviors, just like the addict seeking the next high.  more from Time

Cleanse brain receptors 

Improve blood flow to brain

Prevent brain aging

Relieve stress hormone

Better Sleep