Doc Martin

This week's top TV: 25 September - 1 October

Factual: The Human Body: Secrets of Your Life Revealed

Monday

BBC Two, 9pm

​In the first episode of the three-part series, Chris and Xand Van Tulleken explore the latest research into how humans grow and the dramatic changes the body goes through.

The twins uncover why humans experience childhood longer than any other creature on Earth, and look at the incredible power of breast milk.