When The Mail on Sunday s Dr Ellie Cannon asked readers to write to her in confidence about their alcohol consumption, most admitted to probably drinking too much every day.
Health: Misleading online ads a risk to women, medics fear bbc.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bbc.co.uk Daily Mail and Mail on Sunday newspapers.
Retired breast cancer surgeon Liz O Riordan is one of many health care professionals whom YouTube says it trusts to make reliable videos. In this interview, she explains why this seal of approval is so important and what it actually entails.