Scientists have traced a devastating pattern of brain cell loss in a handful of families to a single, ultra-rare mutation ...
A vanishingly rare genetic glitch in a single enzyme can erase a newborn’s brain cells in a matter of weeks, leaving doctors ...
A single sperm donor who carries a rare cancer-causing genetic mutation has fathered at least 197 children across 14 countries in Europe, according to a collaborative investigation by 14 European news ...