CNN - Health Mom writes children's book to explain IVF to her son 2017-04-27T10:44:21.000000000+00:00 Jo Zmood wanted to find a book to help explain to her son how she brought him into the world. Clues to new antibiotics could lie in medieval texts 2017-04-27T08:45:14.000000000+00:00 For a long time, medieval medicine has been dismissed as irrelevant. This time period is popularly referred to as the "Dark Ages," which erroneously suggests that it was unenlightened by science or reason. How to talk to kids about being transgender 2017-04-27T08:35:41.000000000+00:00 What happens when you bring a group of sixth-graders together to meet -- for the first time -- someone who is transgender? You get an easy and honest conversation that speaks volumes about how we can talk to our kids about gender and how much we can learn from their openness. Children with elevated lead levels aren't being tested or diagnosed, study says 2017-04-27T08:25:01.000000000+00:00 Runner: Having narcolepsy is harder than a marathon 2017-04-27T08:13:48.000000000+00:00 For years, Julie Flygare kept her condition private. She hadn't liked people's reactions on the occasions when she had opened up and shared her story. People thought it was a joke or not important. School tells this 6th-grader to fix his haircut or face suspension 2017-04-27T02:52:22.000000000+00:00 Xavier Davis has a pretty simple haircut: two shaved lines on the side. So imagine the family's surprise when the 6th-grader was told his hair cut was a problem. Prosecutor: 'Brutal' genital mutilation won't be tolerated in US 2017-04-27T01:03:20.000000000+00:00 Two Michigan doctors and a medical office manager were indicted Wednesday by a Detroit grand jury in the first federal female genital mutilation case in the United States. 'Plastic bag' womb could help keep premature babies alive 2017-04-27T00:31:39.000000000+00:00 An artificial womb resembling a plastic bag has been used to keep premature lambs alive for four weeks outside of their own mother's womb and could one day be applied to premature babies. Will sludge-color packaging deter smokers? 2017-04-26T23:16:52.000000000+00:00 Can the sight of a greenish-brown color really be enough to deter smokers from reaching for their next pack of cigarettes? New evidence says humans were in America much earlier than we thought 2017-04-26T21:11:49.000000000+00:00 The remains of a mastodon discovered during a routine excavation in California shows there was human activity in North America 130,000 years ago -- or about 115,000 years earlier than previously thought.