Men who wear boxer shorts have higher sperm levels than men who wear tight underwear, although the difference shouldn't usually be enough to affect fertility
Right now there are 7.5 billion people on Earth - and counting. But the world in 2050 will be even more packed, according to new United Nations (UN) projections. This week they released the World Population Prospects: 2017...
Three-dimensionally printed organs are pretty old hat by now. But while the technology has been applied to everything from artificial ears to replacement brain tissue, working ovaries have been outside the realm of possibility—until...
Chemical compounds known as phthalates are used as plasticizers and softeners in products ranging from vinyl to cosmetics. They’re suspected of being endocrine disrupters (substances that interfere with the way hormones...
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