21:00Inside HealthParkinson's Disease, Breast cancer screening, Slimming pills, Sunscreens, TeethBBC Radio 4 Duration: 28 minutes Tue 24th Sep 2013, 21:00 on BBC Radio 4 LWAvailable for over a yearListen nowDr Mark Porter goes on a weekly quest to demystify perplexing health issues. Show more GenresFactualHealth & WellbeingBrandInside Health Source: BBC Online