Sexually transmitted diseases (STDs) are infections that are spread from person to person through sexual contact, including oral sex, anal sex and the sharing of sex toys. These diseases can be passed through any contact between the genitals of one person and the genitals, anus, mouth or eyes of another person.
STDs are among the most common infectious diseases in the United States. More than 15 million Americans are diagnosed with an STD every year.
There are many different STDs,...
Read moreSource: Harvard Decision Guide
What Is It? The lymphatic system is part of the body's defense against infections. The system is a network of vessels throughout the body that... Read more »
Source: ADAM Encyclopedia
More than 75% of American adults have some form of gum disease but most are unaware of it. Risk factors for periodontal disease include:Oral... Read more »
Source: ADAM Encyclopedia
HIV infection is a condition caused by the human immunodeficiency virus (HIV). The condition gradually destroys the immune system, which makes it... Read more »
The National Digestive Diseases Information Clearinghouse offers this list of symptoms that may be warning signs of celiac disease in adults. Read more »
Source: ADAM Encyclopedia
Asymptomatic HIV infection is a phase of chronic infection with human immunodeficiency virus (HIV) during which there are no symptoms of HIV... Read more »