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Eating red meat is linked to cancer and heart disease, but are the risks big enough to give up burgers and steak? A team of international researchers says probably not, contradicting established advice. In a series of papers published Monday, the researchers say the increased risks are small and uncertain and that cutting back likely wouldn’t be worth it for...

Americans’ diets are a little less sweet and a little crunchier but there’s still too much sugar, white bread and artery-clogging fat, a study suggests. Overall, the authors estimated there was a modest improvement over 16 years on the government’s healthy eating index, from estimated scores of 56 to 58. That’s hardly cause for celebration — 100 is the top...

Can China ruin Apple or Tesla by cutting off rare earth elements? Expert Ann Bridges.

A South Bay teenager who was brutally beaten by about a half-dozen people inside a Chula Vista Mexican food restaurant faced two of the people suspected in the attack on Monday.

Winter hit U.S. honeybees hard with the highest loss rate yet, an annual survey of beekeepers showed. The annual nationwide survey by the Bee Informed Partnership found 37.7% of honeybee colonies died this past winter, nearly 9 percentage points higher than the average winter loss. The survey of nearly 4,700 beekeepers managing more than 300,000 colonies goes back 13 years...

Winter hit U.S. honeybees hard with the highest loss rate yet, an annual survey of beekeepers showed. The annual nationwide survey by the Bee Informed Partnership found 37.7% of honeybee colonies died this past winter, nearly 9 percentage points higher than the average winter loss. The survey of nearly 4,700 beekeepers managing more than 300,000 colonies goes back 13 years...

As people peer into DNA for clues to health and heritage, man’s best friend is under the microscope, too. Genetic testing for dogs has surged in recent years, fueled by companies that echo popular at-home tests for humans, offering a deep dive into a pet’s genes with the swab of a canine cheek. More than a million dogs have been...

Frank Lucas, the former Harlem drug kingpin whose life and lore inspired the 2007 movie “American Gangster,” has died, a relative said Friday. Lucas, who was 88, died Thursday in New Jersey, nephew Aldwan Lassiter said. Lucas had been in declining health, according to his former lawyer. Raised in North Carolina, Lucas climbed the ranks of crime in Harlem in...

In the years following the bitter Civil War, a former Union general took a holiday originated by former Confederates and helped spread it across the entire country. The holiday was Memorial Day, and this year’s commemoration on May 27 marks the 151st anniversary of its official nationwide observance. The annual commemoration was born in the former Confederate States in 1866...

Just a year after San Francisco and other California cities began issuing permits for recreational sales and on-site consumption of marijuana, retailers like Urban Pharm are working hard to change the image of a plant that was illegal for generations, and convince people to come in and give it a try.

A team of UCLA-led scientists has discovered important clues about how RNA editing affects the brains of people with autism, the university announced Wednesday.

Scientists are seeing surprising melting in Earth’s polar regions at times they don’t expect, like winter, and in places they don’t expect, like eastern Antarctica. New studies and reports issued this week at a major Earth sciences conference paint one of the bleakest pictures yet of dramatic and dangerous warming in the Arctic and Antarctica. Alaskan scientists described to The...

Financial stress visits renters more than homeowners. That’s the main takeaway from a new report by the Urban Institute, a nonpartisan think tank in Washington. Rental costs are rising much faster than renters’ salaries. Between 1960 and 2016, the median income for a renter grew by just 5 percent. During the same period, the median rent ballooned by more than...

The Los Angeles County Board of Supervisors voted Tuesday to update anti-smoking ordinances to include e-cigarettes and marijuana.

Scientists are finding pollutants after storms can stay trapped near shore longer than previously thought.

New children’s concussion guidelines from the U.S. government recommend against routine X-rays and blood tests for diagnosis and reassure parents that most kids’ symptoms clear up within one to three months. Signs of potentially more serious injuries that may warrant CT imaging scans include vomiting, unconsciousness and severe, worsening headaches, according to the guidelines released Tuesday. The guidelines from the...

U.S. Sen. John McCain said last year that he wanted to be remembered for his service to his country and that is how nearly every lawmaker and many of the journalists who covered him have paid tribute to him after his death. But there is another reaction playing out over McCain’s legacy as well, less mentioned in the running cable...

Sen. John McCain’s last words to the American people were read Monday by his former campaign manager, Rick Davis. McCain, a stalwart of the U.S. Senate, had a message of unity for all Americans and said the country’s greatness is weakened “when we confuse our patriotism with tribal rivalries.”

San Francisco is preparing to open two safe injection sites this summer in hopes of getting a handle on rampant drug use and cutting down on the spread of disease.

The whereabouts of a Chinese professor known for his critical views of the government remained unknown Friday, two days after police interrupted his radio interview with U.S. government broadcaster Voice of America. Sun Wenguang was speaking to the network on Wednesday night when he says half a dozen officers barged into his apartment in the eastern city of Jinan. He...