We all imagine better versions of ourselves. Smarter. More attractive. Physically nimble to rock the dance floor, conquer martial arts, or run that ultramarathon. And as we grow older, we want to live ...

The first genetically edited children were born in China in late 2018. Twins Lulu and Nana had a particular gene – known as CCR5 – modified during embryonic development. The aim was to make them (and ...

Modern science already offers ways to enhance your mood, sex drive, athletic performance, concentration levels and overall health. But is such medically driven self-improvement always a good idea?