![Inside Health show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/030/825/small/medical-matters.jpg)
Summary: Dr Mark Porter looks at the evidence behind a study showing that a diet rich in red meat increases the risk of bowel cancer - and ponders whether to take supplements for sore knees
Summary: Dr Mark Porter looks at the evidence behind a study showing that a diet rich in red meat increases the risk of bowel cancer - and ponders whether to take supplements for sore knees