Is this mole normal? How to spot worrying skin changes after sun exposure

After a sunny holiday or long summer outdoors, many people start to notice new freckles, moles or changes in their skin. Most of the time, these are harmless – but sometimes, they can be a sign of something more serious. Here’s what to watch out for, and when it’s best to book a mole check.

• What to look for – and when to see a dermatologist