worst chemicals in cigarettes and Tobacco: What's Burning? Chemicals in Cigarettes: From Plant

Investigating the possible causal association of smoking with depression and anxiety using Mendelian randomisation meta-analysis: the CARTA consortium

'I love the way it makes me feel' Darren (not his real name), now 24, has been smoking cannabis since he was 13

Virtual colonoscopy is one test used to screen for colorectal cancer

When it attaches to the offending molecule, the chemical it changes into is still present, but no longer foul smelling

However, as more researchers investigate the matter, its unclear whether that claim is accurate

To find out exactly how much youll save if you quit, use the calculation below (visitquit.org.nz for an online cost of smoking calculator)