The more humans spread, the smaller other mammals get. Elephants, rhinos and hippos had better watch out

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Thirteen thousand years ago Southern California was crawling with enormous mammals — all of which are extinct today.

There were massive mammoths three times bigger than modern-day elephants, giant ground sloths up to 20 feet in length, and strange, armadillo-like beasts known as glyptodons that…

Organs from drug overdose victims could save the lives of patients on transplant waiting list

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The widening tragedy that is the U.S. drug-overdose epidemic could have an improbable silver lining: for the 120,000 desperate Americans on the waiting list for a donated organ, the line could get a little shorter.

In 2000, only 149 organs from donors who suffered a fatal drug overdose were transplanted…

Take a little off the top: How visits to the barbershop helped reduce blood pressure in African American men

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When a customer opens the well-worn door to Eric Muhammad’s barbershop in Inglewood, he’ll be looking to relax in the comfort and camaraderie of a neighborhood meeting place and maybe to take a little off the top or sides.

If that visitor is among the close to 40% of African American men with high…

Danger posed by drivers who smoke pot on 4/20 is similar to drunk drivers on Super Bowl Sunday

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Here’s a pro tip from a couple of doctors: Be sure to make special plans on April 20.

That date, of course, is the unofficial holiday devoted to celebrating all things marijuana. (You might know it better as “4/20.”)

The two physicians — John Staples of the University of British Columbia and Donald…

If your doctor asks you to say ‘Ahhh’ during a pelvic exam, it may be a sign of physician fatigue

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In the future, when robots are our doctors and we find ourselves describing our symptoms to an online portal, we’ll miss the foibles of the physicians who once cared for us. But until then, we can still laugh at the very funny things that our very human doctors sometimes say and do when they’re…

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