

|
DES (diethylstilbestrol) is a hormone that was prescribed for pregnant women in the 1950s and early 1960s. Many years later, doctors discovered that the daughters of the women who received DES were at high risk for a variety of problems, including...
|
|
|
Viral and bacterial infections passed from one person to another through sexual contact. Adolescence is the period of transition from childhood to adulthood when profound changes occur. This period of tremendous change fulfills important developme...
|
|
Human immunodeficiency virus (HIV) is a retrovirus that causes acquired immune deficiency syndrome (AIDS) by infecting helper T cells of the immune system. The most common serotype, HIV-1, is distributed worldwide, while HIV-2 is primarily confine...
|
|
Acquired immunodeficiency syndrome, or AIDS, is the final, life-threatening stage of infection with any of the human immunodeficiency viruses (HIV-1, its many subtypes, or HIV-2), which are transmitted from person to person sexually (including via...
|
|
|
HIV (human immunodeficiency virus) was identified in 1983 by the French scientist Luc Montagier and his staff at the Pasteur Institute in Paris. Ever since that discovery, scientists have been searching for ways to treat those infected with HIV, a...
|
|
Immunodeficiency disorders are a group of disorders in which part of the immune system is missing or defective. The body's ability to fight infections is, therefore, impaired. As a result, a child with an immunodeficiency disorder has frequent inf...
|
![]() |
Immunodeficiency disorders occur when the body's immune response is reduced or absent. See also: Autoimmune disorders
|
|
Immunodeficiency disorders are a group of disorders in which part of the immune system is missing or defective. Therefore, the body's ability to fight infections is impaired. As a result, the person with an immunodeficiency disorder will have freq...
|
|
|
Immunodeficiency disorders are characterized by an immune system that is lacking, impaired, or defective. As a result, patients with immunodeficiency disorders have increased susceptibility to infection and neoplasia ( cancer development). They ha...
|
|
|
Smoking is the inhalation of the smoke of burning tobacco encased in cigarettes, pipes, and cigars. Casual smoking is the act of smoking only occasionally, usually in a social situation or to relieve stress . A smoking habit is a physical addictio...
|
![]() |
Question: What are the negative effects of smoking? Answer: Smokers have an increased risk of the following: Lung cancer; Lung disease; Heart attack; Heart disease; Hypertension; Stroke; Oral cancer; Bladder cancer; Pancreatic cancer; Cervical can...
|
|
Use of cigarettes and other tobacco products to engage in a habit that almost always leads to addiction. Every day 3,000 young people light up their first cigarette; every year a million teenagers become regular smokers. Adolescent smoking has ris...
|
|
|
Smoking is the inhalation of the smoke of burning tobacco encased in cigarettes, pipes, and cigars. Casual smoking is the act of smoking only occasionally, usually in a social situation or to relieve stress . A smoking habit is a physical addictio...
|
|
Smoking is the inhalation of the smoke of burning tobacco that is used mostly in three forms: cigarettes, pipes, and cigars.
|
|
Smoking is an important and preventable cause of death and illness. However, as more money has been spent on smoking cessation programs, the incidence of cigarette smoking has risen. In 2002, 48 percent of men and 12 percent of women in the world ...
|


