Methamphetamines are usually associated with rotting/deteriorating teeth. However, drugs of all sorts cause people to lose interest and drive to take care of oneself which can also cause teeth to rot...
It's a chain reaction that begins by taking more of the medication than your body can filter through. Most of the drugs that are overdosed are those that decrease the function of the central nervous...
Lets say somebody broke their leg and got prescribed hydrocodone for the pain then they were taking the drug for some time. Your body gets used to the drug and then eventually you need the drug in...