Is sunscreen really toxic?

On a recent trip to Lake Geneva in Switzerland, biodiversity reporter Phoebe Weston witnessed the impact of one of the planet’s most potent invasive species, the quagga mussel. In just a decade the mollusc, originally from the Ponto-Caspian region of the Black Sea, has caused irr ...  Show more

Just like men, women are increasingly being told by online influencers that the classic symptoms of middle age could be down to low testosterone. In the second part of this miniseries exploring the hormone, Madeleine Finlay finds out what testosterone supplementation is doing for ...  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 ...