One person dies from smoking-related diseases every 4 minutes in Britain.
Most people killed by tobacco started smoking when they were teenagers. Around half the teenagers who carry on smoking will eventually be killed by tobacco.
Smoking contributes to cancer, heart disease, bronchitis, strokes, stomach ulcers, leukaemia, gum disease, gangrene, asthma, wrinkles and bad breath.
Smoking makes you short of breath and so makes sport and exercise more difficult.
Young people often start smoking because they think it is glamorous and grown-up. They do not think that they will be smoking for life.
Don't underestimate the addictive nature of smoking. It is not like shopping or chocolate – nicotine is as addictive as heroin and cocaine.
A high percentage of adult smokers started when they were aged between 11 and 15.
If you're a young smoker and would like to give up the habit, go to our help to stop smoking pages.