The medical tools of the Revolutionary period help flesh out the picture of what physical well-being felt like for people living in the American colonies 250 years ago.
Two months after Defense Secretary Pete Hegseth made the flu vaccine optional in the military, an outbreak leads several branches of the military to make it mandatory again.
Because melatonin is sold as a dietary supplement rather than a drug in the US, there is little to no quality control over the wide array of product types.