Celebrities
Dr Rosemary Leonard MBE, BBC Breakfast's resident doctor
"We all know the health risks of smoking, but the good news is whenever you quit, you'll start to feel the benefits almost immediately.
"Within two days your body is free of nicotine, and after a fortnight you'll find your energy levels improving and your sense of smell restored. And, more importantly, you'll be less likely to die from lung cancer and heart disease.
"So take The No Smoking Day Challenge and join over a million others
all committed to kicking the habit!"
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