Opill (norgestrel) is an over-the-counter oral birth control pill. Opill can cause side effects that range from mild to serious. Examples include irregular periods, headache, and nausea. The Food and ...

Each year, millions of people turn to diet pills to lose weight. As of 2022, about 15 percent of U.S. adults reported using a weight-loss supplement at some point in their lives. One popular ...