The cigarette is an effective and amazingly efficient method of delivering nicotine to the brain. According to The National Institute on Drug Abuse, a smoker receives 1 to 2 mg. of nicotine for every cigarette smoked. The fast delivery to the brain makes nicotine a very addictive substance.

Alprazolam, also known by the trade name Xanax, is a benzodiazepine medication primarily used for the treatment of anxiety disorders.

Xanax is the trade name for alprazolam, a benzodiazepine drug usually prescribed for anxiety disorders, panic disorders and mild depression. As with other psychoactive drugs, Xanax may cause dependence, and you can experience withdrawal when you stop using it.

Your unborn baby -- and your own body -- become more vulnerable to infection when you're pregnant. While it might seem that you're constantly being told what not to do while pregnant, you should take care to avoid certain food stuffs. Egg salad, while often delicious, can harbor nasty bacteria.

A "chest cough" is a type of cough in which congestion is present in the lungs. Pregnancy can be a state of decreased immune function and mothers-to-be are at risk for a number of infections. The worst of these is pneumonia, which can be fatal to mothers and their babies.

Severe weight loss and dehydration during radiation treatment is common, particularly if you are undergoing therapy for cancers of the head and neck. Eating a nutrient-dense diet and keeping up your weight is vital to your battle and recovery during and after treatment.

Salvia or Salvia Divinorum is a natural herbaceous perennial plant of the sage family that produces white flowers at the peak of its growth in summer seasons. An uprising trend has been discovered among teens and experimental drug users with smoking and using the leaves of the drug to reach a "high"

According to the Higher Education Center for Alcohol and Other Drug Prevention, nearly one-third of all Americans have tried marijuana at some point in their lives. Marijuana, also called pot or weed, is considered a gateway drug that leads to harder drugs with more serious consequences.

According to the March of Dimes, fetal alcohol poisoning or fetal alcohol syndrome is one of the most common reasons for mental retardation. Between 1000 and 6000 babies are born each year with fetal alcohol syndrome, FAS.

Infants who have been exposed to smoked cocaine, or crack, during pregnancy typically show a wide spectrum of symptoms after birth, although it is not uncommon for some infants to be asymptomatic, says the National Institute on Drug Abuse. At first, many infants appear irritable.

Smoking cigarettes, cigars, pipes or any type of tobacco causes physical changes in the body. While some of the effects of smoking can't be seen for years, other signs of cigarette smoking can be observed within days, if not minutes, of the last cigarette. Some of the signs are overt while others may be less obvious.

Mucus is a diffusion barrier present in your respiratory tract that works against contact with noxious substances, such as smoke, according to Colorado State University.