#Food and Drug Administration

Although decades ago the THC content of weed was commonly less than 1.5%, today many varieties contain more than 30% THC.

Chemotherapy drugs are increasingly in short supply, warn the American Cancer Society and ACS CAN about this life-threatening situation.

All potential donors will be screened with a questionnaire to evaluate behavior-based risk. Those on PrEP may not donate blood. Here’s why.

People 65 and older and immunocompromised people can get a second bivalent booster; most unvaccinated people now need only one initial shot.

Competition to claim a market has triggered a wave of advertising that has provoked the concern of regulators and doctors worldwide.

Stop using carcinogenic Red Dye No. 3, urges a Consumer Reports petition. But Peeps Easter candymaker says the colorant is FDA approved.

New mammogram regulations will improve early detection for women with dense breasts, say University of Colorado Cancer Center members.

Approved for CLL and SLL—types of leukemia and lymphoma—Brukinsa caused fewer heart-related side effects in trials.

Monoclonal antibodies used to prevent COVID-19 in immunocompromised people aren’t active against new virus variants.

Older people, immunocompromised people and those with underlying health conditions can benefit most from additional shots.

Updated Pfizer-BioNTech and Moderna bivalent boosters contain spike proteins from the original and BA.4 and BA.5 omicron variants.

Having eased its ban on blood donations from gay and bi men in 2020, the FDA may soon use a questionnaire to assess individual risk.

Except for HIV tests, the FDA has not approved sexually transmitted infection test kits for use outside medical settings.

Updated boosters could go to the “worried well” who have good insurance rather than to those at highest risk.

Cities are getting fewer doses than expected due federal government’s new split-dose strategy.

The engineered protein vaccine was highly effective in a clinical trial but faced a long delay for authorization.