Around the time of World War I, a puzzling epidemic of neurological illness began to emerge. Between 1915 and 1928, outbreaks of this condition were documented across the world. Known medically as encephalitis lethargica, it’s also been called “sleepy sickness” ...

Photo: Brent Hofacker (Shutterstock) Scientists in Spain have perhaps finally settled an important debate: Men really can be “growers or showers.” The team examined data from hundreds of men and found that their penises fell along a spectrum of added ...