Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

Iodine is a disinfectant used in medical settings, and TikTokers are also putting it on zits. A dermatologist says it can be effective, but also lead to skin irritation and inflammation. He recommends ...

Many patients come to me with a history of hypothyroidism. This is not a surprise, since the prevalence of hypothyroidism is on the rise. Levothyroxine, one of the drugs used to treat hypothyroidism, ...