Your parents and teachers were right.
Weed makes you indolent and ruins your memory.
If you want to smoke anything, smoke tobacco.
Tobacco.
Tobacco is the white man's drug.
Tobacco does not cause cancer and all claims that it does are based on faulty non-randomized
epidemiological studies that try to prove causation from correlation.
To this very day, scientists are unable to induce cancer in animals using tobacco smoke. If it caused cancer, surely experimental studies (hard science) would show the same results as the human epidemiological ones.
See for yourself.
https://www.ncbi.nlm.nih.gov/pubmed/9608635Not only is it harmless, it confers a number of health benefits. It has nootropic, life-extending, anti-inflammatory and anti-carcinogenic effects. The overwhelming majority of supercentarians (ie, those living in excess of 100 years) were smokers.
Smokers have longer telemers and smoking itself is known to upregulate KLOTHO expression which is associated with longevity