Footballer #10
Gustoimages/science Photo Library
Skeleton Playing Football #1
D. Roberts/science Photo Library
Skeleton Playing Football
D. Roberts/science Photo Library
Cigarette Stub
Daniel Sambraus, Thomas Luddington/science Photo Library
Cigarette Stub #1
Daniel Sambraus, Thomas Luddington/science Photo Library
Group Exercise Class Outdoors #12
Microgen Images/science Photo Library
Group Exercise Class Outdoors #13
Microgen Images/science Photo Library
Nicotine Gum
Cordelia Molloy/science Photo Library
Nicotine Gum And Patches
Cordelia Molloy/science Photo Library
Boy Learning To Swim #3
Microgen Images/science Photo Library
Bupropion Drug Molecule
Dr Tim Evans
Bupropion Drug Molecule #1
Dr Tim Evans
Varenicline Drug Molecule #1
Dr Tim Evans
Quitting Smoking
David Nicholls
Varenicline Drug Molecule
Dr Tim Evans