THE WORLDPOST
08/15/2014 09:06 am ET Updated Aug 15, 2014

How To Be Optimistic, According To Science

Geo Martinez via Getty Images

Should you see a glass as half empty or half full? If you want to live a better life, and you care what research has to say, there's a clear answer to this question: half full.

Scientific research has come up with a long list of benefits to being optimistic. Here are just a few:

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