Marijuana affects each person differently based on several factors, like: The effects you might experience from marijuana arent always the same as what someone else might feel
Health Problems Associated with Tobacco Cancer: Leading cause of lung, mouth, throat, oesophagus, pancreas, bladder, kidney, and cervical cancers
However, smoking only one to five cigarettes per day is associated with a risk of coronary heart disease and stroke that is still substantially higher than many smokers or health professionals recognise (as much as half the excess risk of smoking 20 per day). It is incorrect to assume smoking only a couple of cigarettes each day carries little or no harm
doi: 10.4103/1008-682X.153302
1 2 3 4 "Minimum Ages of Legal Access for Tobacco in the United States From 1863 to 2015"