6 common medical beliefs that are just wrong

Recognise these medical myths? Study finds almost 400 disproved practices

Step counters help with weight loss, surgery fixes a torn knee meniscus and fish oil reduces the risk of cardiovascular disease.

myth vs fact

These and almost 400 other medical myths have been identified in a recent study by US researchers from the Oregon Health and Science University in Portland. 

Their analysis of almost 3000 randomised controlled trials across three major medical journals revealed 396 medical reversals that overturned established, long-accepted medical practices.

They include: