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HealthThe Hill1d ago

FDA approves first new sunscreen ingredient in more than 20 years

The Food and Drug Administration (FDA) on Tuesday added bemotrizinol to the list of permitted sunscreen active ingredients, the first such addition since the late 1990s. Bemotrizinol provides protection against ultraviolet A and B rays and has low levels of absorption through the skin into the b...

SciencePhys.org1d ago

Some drugs 'fail' because of unrealistic testing conditions, scientists discover

A drug once dismissed as ineffective suddenly worked—when scientists tested it under more realistic conditions that mimic the human body. In this surprising new discovery, Northwestern University scientists uncovered a hidden rule of drug behavior. A medicine's effectiveness can change dramatic...