Solutions without Boundaries. Visual Concepts is an award winning software and systems engineering firm based in Ventura, California, providing government and commercial clients with successful technology implementations.
Medicines and Drugs that can Destroy Your Teeth. There are some medications, such as the antibiotics tetracycline, that may result in internal staining of the teeth. The production and use of methamphetamines, which is a strong stimulant drug, is an increasing problem in the United States.
The study found that heroin, crack cocaine and meth were the most harmful drugs to individuals, while alcohol, heroin, crack cocaine and cannabis were the most harmful to others. Overall, alcohol was found to be the most harmful, followed by heroin, crack cocaine, meth and tobacco. Cannabis came eighth down the list.