Trust Me, I'm a Doctor S09E05 - Episode 5

Michael Mosley tests whether yoga can lower your blood pressure as much as a workout, and Alain Gregoire tests meal replacement shakes to see if they are as healthy as they claim. Meanwhile, Zoe Williams discovers why wearing your contact lenses in the shower damage your eyesight, and Giles Yeo tests whether gourmet salts are any healthier than table salt.