Organic walnuts from a California grower that were distributed to health food and co-op stores in 19 states have been linked to serious cases of E. coli illness, federal officials reported Tuesday.

So far, 12 people have been sickened; seven were so ill they required hospitalization, according to the U.S. Food and Drug Administration. Six ... Full Page

In yet another sign that bird flu is spreading widely among mammals, a new report finds more than half of cats at the first Texas dairy farm to have cows test positive for bird flu this spring died after drinking raw milk.

Published Tuesday in the Emerging Infectious Diseases journal, the report details the early stages of the inv... Full Page

The Justice Department has recommended that marijuana be reclassified as a less dangerous drug, a move that signals a significant shift in U.S. drug policy.

The proposal, first reported Tuesday by the Associated Press, still has a long way to go before it becomes official policy: First, it has to be reviewed by the White House Off... Full Page

Native Hawaiian and other Pacific Islander people have cancer death rates that are two to three times higher than they are in whites, new data shows.

The first-of-its-kind report, issued by the American Cancer Society (ACS) on May 1, focuses solely on the cancer risk of Americans who’ve descended from regions along the Pacific Rim, the A... Full Page

Feeling angry constricts blood vessels in unhealthy ways and could raise a person's long-term odds for heart disease, new research warns.

“If you’re a person who gets angry all the time, you’re having chronic injuries to your blood vessels,” said study leader Dr. Daichi Shimbo, a cardiologist at Columbia University Irving Medical C... Full Page

A toxin found in paint strippers that's responsible for 85 U.S. deaths over the past five decades will be phased out for many uses, under an Environmental Protection Agency rule finalized Tuesday.

The cancer-causing solvent methylene chloride will still have some allowed uses, but with strict guidelines aimed at keeping workers safe.

Popular teens pay a price for being so well-liked by their peers, a new study shows.

The popular crowd are less likely to get the 8 to 10 hours of sleep recommended for teenagers each night, researchers found.

In fact, the more popular a teen is, the less time they spend snoozing, results show.

The most popular teens tend to sl... Full Page

All women should start getting mammograms every other year beginning at age 40, the nation’s top panel of preventive health experts announced Tuesday.

About 20% more lives can be saved from breast cancer by moving the regular screening age up to age 40, rather than starting at age 50, the U.S. Preventive Services Task Force (USPSTF) esti... Full Page

At what age does loneliness strike adults the hardest?

A new review maps it out, finding that people are more lonely as young adults, grow less lonely as they approach middle age, and then fall back into loneliness in old age, researchers reported April 30 in the journal Psychological Science.

“What was striking was how co... Full Page

The benefits of physical fitness for kids spill over into their mental health, new research shows.

Getting plenty of exercise may guard against depressive symptoms, anxiety and attention-deficit hyperactivity disorder (ADHD), a new study published April 29 in the journal JAMA Pediatrics found.

And the more exercise, the... Full Page

As bird flu continues to spread among dairy cows, the U.S. Department of Agriculture said Monday it is now testing ground beef for any presence of the virus.

The agency said it is sampling ground beef bought in grocery stores in states where dairy cattle have tested positive for the virus, also known as H5N1, CNN reported. Officia... Full Page

Doctors argue that genetics aren’t destiny when it comes to a person’s health, and a study appears to support that notion.

A healthy lifestyle can offset the effects of life-shortening genes by more than 60%, researchers found.

People at high genetic risk of a curtailed lifespan could extend their life expectancy by nearly 5.5 ye... Full Page

Teens who vape frequently are exposing themselves to harmful metals like lead and uranium, a new study finds.

Lead levels in urine are 40% higher among intermittent vapers and 30% higher among frequent vapers, compared to occasional vapers, results show.

And urinary levels of uranium were twice as high among frequent vapers as occasi... Full Page

A middle-aged Seattle man collapsed in his Portland, Ore.-area hotel room, where he was staying during a business trip.

He’d just tried fentanyl for the first time, and it very nearly killed him by literally destroying his brain.

Inhaling fentanyl caused terrible inflammation throughout large sections of white matter in the patient... Full Page

As the battle over abortion continues to rage in the courts and American politics, a new report estimates that one in every four U.S. women will undergo the procedure during their lifetime.

The study was issued by the Guttmacher Institute, a research and policy organization focused on sexual and reproductive health that supports acce... Full Page

Kids who don’t like vaccination shots might soon have an alternative in a painless skin patch, researchers say.

More than 90% of 190 Gambian infants were protected from measles and all were protected from rubella after receiving a single vaccine dose through the patch, early trial results show.

The patch contains an array of micro... Full Page

H5N1 avian "bird" flu is making headlines this week, with new reports finding inactive virus detected in 1 in 5 U.S. milk samples.

That means the virus is infecting mammals such as dairy cows, and now researchers report it's turned up in a bottlenose dolphin in Florida.

“We still don’t know where the dolphin got the virus and ... Full Page

At major medical centers across the southeast, 1 in every 20 visits to emergency departments involve people who are homeless or face "housing insecurity," a new U.S. study finds.

Concerns of suicide was the leading medical reason bringing these types of patients to the ER and many were uninsured, said a team reporting recently in the jour... Full Page

Laboratory tests used by millions of Americans are soon to be classified as medical devices, and as such be regulated by U.S. Food and Drug Administration, the agency announced Monday.

The new rule does not apply to tests and kits made by big medical device manufacturers -- those already face FDA review.

Instead, the agency is widen... Full Page

Live bird flu virus has not been found in any of the first batch of retail milk samples tested, federal health officials said Friday.

Amid an ongoing outbreak of bird flu in U.S. dairy cows, the early findings should reassure the public that the milk sold in stores remains safe, officials added.

In the online update, the U.S. Food an... Full Page