Former Doctor Who actor David Tennant this week confirmed he has 11 toes. He says he was born with an extra toe on his right ...

Lead author Dr Rui Diogo, from the Howard University, in the US, said: "We have a lot of muscles going to the thumb ... human body in detail. They have already studied the feet and know extra ...

Less commonly, people are born with double thumb tips or an extra thumb. Seeing as we use our thumbs so often, an orthopaedic surgeon may need to remove the extra bones to improve use of the thumb.

This newborn baby has one of the most common form of polydactyly – an extra little finger. Sergey Novikov/Shutterstock Less commonly, people are born with double thumb tips or an extra thumb.