Is sunscreen really toxic?

After more than a decade of global consultation, polycystic ovary syndrome – which affects as many as one in eight women – has been renamed. The condition is caused by high levels of androgens, which can lead to symptoms such as excess hair, weight gain and irregular periods. To ...  Show more

An outbreak of Ebola has emerged in the Democratic Republic of Congo and Uganda, leading to nearly 400 confirmed cases and more than 100 deaths. To find out how the outbreak might have begun, what authorities can do to contain it and why this outbreak is causing particular concer ...  Show more

For decades, we've been told to protect ourselves with sunscreen from the sun's harmful rays or risk getting skin cancer. However, melanoma has increased, in tandem with the use of sunscreen. What's going on? Today, clinical scientist and hormone expert Dr. El ...

We've all heard about the importance of wearing sunscreen, but recent headlines have raised questions about the safety and effectiveness of certain ingredients found in chemical sunscreens. In this special Chasing Life: Spotlight, CNN Medical Correspondent Meg Tirrell investigate ...  Show more

You probably think of the health effects of sunlight as a mixed bag. On the one hand, sun exposure helps your body make vitamin D. But on the other, it can cause skin cancer.

To get around this conundrum, dermatologists frequently recommend avoiding sun exposure when you ...

It’s summer and that means slathering yourself with sunblock before you’re allowed to go run around outside. Not everyone loves that ritual: sunscreen can be cold or sticky. Sometimes it gets in your eyes, and it always feels like it’s time to reapply JUST as you’re about to j ...