The Obama administration has decided marijuana will remain on the list of most-dangerous drugs, fully rebuffing growing support across the country for broad legalization, but said it will allow more research into its medical uses. The decision to expand research into marijuana’s medical potential could pave the way for the… Read More

Detectives are investigating allegations that a British player at the Wimbledon tennis tournament was poisoned, after she fell ill with a bacterial infection that can be spread through rat urine, London’s Metropolitan Police said Thursday. Gabriella Taylor was playing in the junior tournament when she became sick on July 6… Read More

Texas reported its first Zika-related death Tuesday after a baby girl whose mother traveled to El Salvador while pregnant died shortly after birth in a suburban Houston hospital. The girl, who died a few weeks ago, had microcephaly linked to the Zika virus, said Dr. Umair Shah, executive director of… Read More

At least 30 children have died in northwestern Myanmar since mid-June from an unknown disease that causes breathing difficulty, officials said Thursday. “We have this problem since two months ago and we haven’t received any help from the government yet,” said Kay Sai, a local administrator. He said the deaths… Read More

It’s one of the most universal recommendations in all of public health: Floss daily to prevent gum disease and cavities. Except there’s little proof that flossing works. Still, the federal government, dental organizations and manufacturers of floss have pushed the practice for decades. Dentists provide samples to their patients; the… Read More

In a highly unusual travel warning, health officials advised pregnant women to avoid a part of Miami where mosquitoes are apparently transmitting Zika directly to humans. Health officials last Friday announced that mosquitoes have apparently started spreading Zika on the U.S. mainland, citing four cases they strongly believe were caused… Read More

A federal judge has ruled in favor of a Missouri lawmaker who cited religious objections while challenging the inclusion of birth control coverage in his government-provided health insurance. State Sen. Paul Wieland said Friday that the ruling , while applying only to his family, could serve as a guide for… Read More

Memory loss may not always be the first warning sign that dementia is brewing — changes in behavior or personality might be an early clue. Researchers on Sunday outlined a syndrome called “mild behavioral impairment” that may be a harbinger of Alzheimer’s or other dementias, and proposed a checklist of… Read More

Florida health officials have trapped mosquitoes in an area of Miami-Dade County and are testing them for Zika to confirm whether a woman with the virus could be the first person infected directly by a mosquito bite in the continental United States. Florida’s Department of Health and the U.S. Centers… Read More

Health authorities in Utah are investigating a unique case of Zika found in a person who had been caring for a relative who had an unusually high level of the virus in his blood. Exactly how the disease was transmitted is still a mystery, though the person has since recovered…. Read More