It is extremely important that pregnant women avoid using alcohol, because the oxygen deprivation occasioned by alcohol use affects the developing brain of the baby and can produce mental retardation and other abnormalities, a condition known medically as fetal alcohol syndrome. Cocaine and its derivative, crack, have become an increasing source of addiction, hospital emergencies, and death. These drugs act as an anesthetic and a stimulant for the central nervous system. They cause increased heart and respiration rates, as well as elevated blood pressure. Cocaine and crack are highly addictive.
Withdrawal causes intense cravings.
When used during pregnancy, they can cause miscarriage, malformation, retardation, low birth weight, and withdrawal syndrome in the newborn. In adolescents and adults, chronic use often leads to deterioration of nasal tissues, chronic lung disease, heart problems, paranoia and psychosis. People who use these drugs may need help and support to stop. Marijuana and hashish have been widely used in the United States, frequently with little regard for the legal penalties imposed for their use. Using marijuana can cause various reactions, ranging from euphoria to depression and hallucinations.