Transgender's Classification as 'Mental Disorder' Is Outdated, Study Finds

Researchers suggest World Health Organization change classification

U.S. Panel Says Evidence 'Insufficient' to Recommend Skin Cancer Screenings

But dermatology experts disagree and worry opportunities to save lives will be missed

1 in 10 Alzheimer's Patients at Risk for Avoidable Hospital Stays

Study suggests need for better management of other health problems

1.6 Million Child-Bearing Women in Latin America Could Get Zika: Study

Scientists used data on births, climate and other mosquito-borne infection to estimate outbreak

2 of 3 Americans OK With Doctors Discussing Gun Safety

But 54 percent of gun owners say talking about firearms with patients is appropriate, survey finds

Bipolar Diagnosis May Take Up to 6 Years

Researcher calls delay a 'lost opportunity' for treatment

CDC Updates Zika Guidelines for Pregnant Women

Any sex partner, male or female, has potential to pass the virus on, agency says

Delirium Common in Cancer Patients Seen in ER

But serious confusion missed in about 40 percent, study found

Edible Pot Sends Toddlers to Colorado ERs

Cannabis-laced candy, baked goods look irresistible to kids, doctors warn

Even a Little Exercise May Help Younger Women's Hearts

Those active about 2.5 hours a week had 25 percent lower disease risk than those who weren't, study found