On a scale from 1 - 100 Nicotine is the most addictive drug - even more addictive than crack cocaine!

Parental smoking has been shown to affect the lungs of infants as early as the first two to 10 weeks of life

99 - Nicotine

98 - Smoked methamphetamine

97 - Crack cocaine

92 - Injected methamphetamine

83 - Valium

82 - Seconal

80 - Heroin

80 - Nasal amphetamine

71 - Nasal cocaine

70 - Caffeine

60 - PCP

22 - Marijuana

20 - Ecstasy

19 - Psilocybin

16 - LSD

15 - Mescaline

Source : Chemistry in Britain, December 1998