As measles cases hit a 30-year-high in the U.S., doctors share what you should do whether you're vaccinated, unvaccinated, ...

As Robert Kennedy Jr amplifies vaccination fears, beyond America millions of people will die unnecessarily from infectious disease ...

Cod liver oil is rich in important nutrients, but the supplements have potential risks. Experts discuss the benefits, side effects, and dosage.

Cod liver oil is one particular type of fish oil that's especially high in healthy, polyunsaturated fats known as omega-3s and omega-6s. But doctors say it comes with both benefits and risks.