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August 5, 2016

Smoking linked to inflammation, sperm damage in men

The sperm of men who smoke, compared to those who don't, have more damaged DNA, fewer active energy-generating mitochondria and more proteins indicating a revved up immune response, according to a small study.

August 5, 2016

Gender predicts how athletes interact after game

Male pro-athletes may linger on peaceful or even loving touches after a match, while female athletes don't tend to embrace as heartily, according to a study of four sports with players from 44 countries.

August 4, 2016

Artificial testicle could treat male infertility

Researchers in California hope to become the first in the world to build an artificial testicle that produces human sperm. Such a device could allow infertile men to conceive children

August 4, 2016

Heavier, not taller: How American bodies have changed

There's no denying that Americans weigh more today than they did 20 years ago, but a new report shows exactly how much more: American men weigh, on average, 15 lbs.

August 3, 2016

Millennial hookup culture may not be a real thing

People may think of millennials as being one right swipe away from a quick hookup, but a new study suggests many 20-somethings are actually having less sex than their parents did back in the day.

August 2, 2016

Action needed as decline in HIV cases stalls, AIDS agency says

Global efforts to prevent the spread of HIV infection must be stepped up after a long-term decline in the number of new cases in adults stalled, the United Nations AIDS agency warned on Tuesday.

August 2, 2016

Man encases genitals in plaster, gets stuck

A Russian blogger decided to coat his genitals in plaster, then realized he was overheating and tried to break off the cast with power tools.

August 1, 2016

Meet Nigeria's curious Cupid— matchmaking for HIV patients looking for love

Sitting in his dimly-lit office in the Nigerian capital of Abuja, surrounded by files and boxes of condoms, matchmaker Ugochukwu Michael talks passionately about the part he has played in the marriages of around 100 couples in recent years.

July 27, 2016

Exercise ability in middle age may be one key to longer life

Middle-aged men who have more endurance in exercise tests may end up living longer than their peers who struggle with physical activity, a Swedish study suggests.

July 27, 2016

Why it hurts when you get hit down there

When you take a shot to your scrotum, your testicles aren’t the only ones that feel the pain: Your stomach often joins in on it, too.