Health and Human Services Secretary Robert F. Kennedy Jr. has attracted a lot of attention for his raspy voice, which results from a neurological voice disorder called spasmodic dysphonia^[1].

Kennedy, 71, says that in his 40s he developed a neurological disease that “robbed him of his strong speaking voice.” Kennedy first publicly spoke of the quiver he had noticed in his voice in a 2004 interview with journalist Diane...

Heated tobacco products are often marketed by tobacco companies as less harmful than cigarettes, but they can pose health risks to users, according to a new review I co-authored^[1] in the journal Tobacco Control. Evidence on their health risks in people who smoke is limited, sometimes contradictory, and hard to make sense of.

Heated tobacco products^[2] are electronic devices that heat tobacco so users can inhale nicotine....