COVID-19 was the third leading cause of death in the United States for the second year in a row in 2021, with death rates rising for most age groups, a government study showed on April 22.

The National Institutes of Health (NIH) ceased administration of an investigational HIV vaccine after interim data revealed that the treatment was not working in preventing the virus.

U.S. researchers who conducted the largest study yet into whether applying powder to the genitals increases a woman’s risk of ovarian cancer were unable to definitively put to rest the issue that has prompted thousands of lawsuits against Johnson & Johnson and other companies.

Prescription drug prices dropped 1 percent in 2018 – the first time such a drop has occurred in the United States in 45 years – driven primarily by a greater reliance on generic drugs and much slower increases in branded drugs, according to a government study.

Massachusetts adopted the country’s toughest ban on the sale of flavored tobacco and vaping products, including menthol cigarettes, in response to a rise in youth vaping and an outbreak of vaping-related serious lung injuries.

Murder, suicide, car crashes, and addiction have all contributed to a spike in deaths among U.S. children and teens in recent years, a government study suggests.