Birthmarks are fascinating things.

What causes a baby to have a birthmark?

Birthmarks are common, but they’re also kind of a mystery.

birthmark on stomach

Science doesn’t actually know the fulltruth about birthmarks.

Other experts think proteins produced by the placenta could be linked to the development of birthmarks.

Could birthmarks be proof of reincarnation?

Baby with birthmark

Another theory about birthmarks is that they are linked to past lives.

Girl with birthmark