What causes moles to suddenly appear

We're growing more aware of the dangers of the sun's rays and how important covering up and applying sun cream is, but melanoma skin cancer rates are still increasing.

When to worry about a mole on a child

So it's important we all get into the habit of checking our skin regularly.

"If you've ever had a love of sunbathing or sunbeds, you need to be especially aware of the warning signs of skin cancer. But even if this doesn't describe you, you still need to look out for the signs," says Dr Sarah Jarvis, GP and clinical consultant for Patient.Info.

What are moles?

Moles form when pigment-producing cells in the skin grow in a cluster instead of being spread throughout the skin.

Most moles are flat, but sometimes they can be raised, and can range from pink, brown to black.

"Most moles will develop on the body during the first 30 years of someone's life, and they can often change due to hormonal fluctuations.

Moles are more common and prominent in fairer-skinned people, and may darken after exposure to the sun, during the teen years, and during pregnancy," explains derm

when should i worry about a mole or freckle

when should i worry about a mole on my scalp