CNN Health

Three more states announced this week that they are opening investigations of Aetna after a former medical director for the insurer admitted under oath that he never looked at patients' medical records when deciding whether to approve or deny care.

Without meaning to, my wife and I conducted an A-B experiment while disciplining our two children. They are 4½ years apart, and somewhere in that gap -- thanks to the suggestions of the progressive, mindful parenting books we regularly consume -- we did away with the popular refuge of nearly all parents (probably since the dawn of time): the "timeout." As some Neanderthal dad probably yelled, "Go to your part of the cave until you've calmed down!"

The healing power of 3-year-olds is being harnessed in the UK's largest elderly care home.

Flu season is still raging in the United States, yet already it ranks among the most difficult in recent years. One reason: This year's vaccine has been just 36% effective against both A and B virus strains, the US Centers for Disease Control and Prevention estimated in Thursday's Morbidity and Mortality Weekly Report.

The first human case of the H7N4 strain of avian influenza has been reported in China, Hong Kong's Centre for Health Protection announced Wednesday.

Two-year-old Maverick Hawkins sits on a red, plastic car in his grandmother's living room in the picturesque town of Nevada City, Calif., in the foothills of the Sierra Nevada. His playpal Delilah Smith, a fellow 2-year-old, snacks on hummus and cashews and delights over the sounds of her Princess Peppa Pig stuffie.

Our digital world is being shaped by our physical bodies. Biometrics are fast becoming the new way to identify ourselves and the industry is booming.

Mass shootings in America are getting deadlier.

Be they old or young, age is nothing but a number for the skiing, skating, sledding and snowboarding Winter Olympians of 2018.

The US Food and Drug Administration has, for the first time, approved a blood test to help detect concussion in adults.

A new law would make all adults in the Netherlands organ donors -- unless they opt out of the system.

Lena Dunham has talked extensively about her struggle with endometriosis, and now the former "Girls" star has revealed she underwent a hysterectomy to try and end her pain.

Thirty European nations reported a total of 14,451 measles cases in 2017 -- more than three times the number reported in 2016, according to a new surveillance update from the European Centre for Disease Prevention and Control, an agency of the European Union. There were 4,643 reported cases in 2016.

New ways of preventing and treating the flu are on the horizon.

New ways of preventing and treating the flu are on the horizon.

Americans have a love-hate relationship with Valentine's Day.

Americans have a love-hate relationship with Valentine's Day.

Women pressuring T.J. Shope, a Republican Arizona state representative, to push forward a bill that would provide free and unlimited feminine hygiene products to female inmates in Arizona's state prison are sending him -- what else? -- tampons and pads.