what are the three stages of tobacco addiction Smoking Cessation - Psychiatry -

The rates were derived based on the formula: where A denotes the number of age groups, i denotes the ith age group, a i is the rate to be standardized, and w i is the number of standard populations in the same age group

Marijuana was found to be significantly less deadly and sat at the other end of the spectrum, in agreement with previous research which has consistently ranked it as the safest recreational drug

Please see this 2010 academic paper for more information

Native Hawaiian or Other Pacific Islander A person having origins in any of the original peoples of Hawaii, Guam, Samoa, or other Pacific Islands