Millions of people across Europe are dealing with temperatures above 40 degrees Celsius (104 degrees Fahrenheit), baking under a heat dome. Hot nights are making recovery harder.

While many recognize the need to use sunscreen to protect themselves from the sun, some people, particularly on social media, have been asking whether it could actually be harmful.

The discussion centers around the question of whether sunscreen could increase the risk of skin cancer, rather than reduce it.

And while the debate is not new, it does seem to be resurfacing more frequently, as global temperatures continue to rise and droughts and extreme heat become the new normal.

Misleading claims about sun protection and skin cancer are circulating widely on social mediaImage: facebook