Chinese teenager who beat world record to swim again Monday . time in the last 50 meters . Ye Shiwen beat Ryan Lochte 's 50m split in relay Saturday . The 16-year-old swimmer was born with a rare genetic condition called hydrocephalus, which causes the brain and skull to expand when water is forced into it. Lochte : `` It was pretty impressive ... she might have beat me ''
Chinese teenager who beat world record to swim again Monday . Ye Shiwen beat Ryan Lochte 's 50m split in relay Saturday . The 16-year-old swimmer was born with a rare genetic condition called hydrocephalus, which causes the brain and skull to expand when water is forced into it. Lochte : `` It was pretty impressive ... she might have beat me ''