Carcinoma, the least common kind of cancer which starts in the epithelium, the layers of cells that cover the body’s surface or line internal organs and glands

 Insulin resistance is a condition in which the body produces insulin but does not use it properly.

Asthma-related problems account for more than half a million hospital stays each year and 14 deaths each day in the United States, according to the Asthma and Allergy Foundation of America. The disease disproportionately affects African Americans and is much more common among people who live in larger metropolitan areas.

Herpes (from the Greek word that means “to creep”) collectively describes some of the most common viral infections in humans. Characteristically, herpes simplex causes blisters on the skin or mucous membranes.

Anyone who engages in penile-vaginal intercourse must be willing to accept the consequences of this activity, including the possibility of conceiving a child, or take action to avoid an unintended pregnancy. 

 Individuals who are addicted to exercise may display similar traits to those with eating disorders and muscle dysmorphia. 

Of all our involvements with others, sexual intimacy, or physical closeness, can be the most rewarding. 

The term intimacy—the open, trusting, and sharing of close, confidential thoughts and feelings—comes from the Latin word for “within.” Intimacy doesn’t happen at first sight, or in a day, or a week, or a number of weeks. 

 Infertility affects 1 in 36 couples in the United States.

 Gender identity, an individual’s internal sense of being male, female, both, or neither, is a product of both innate and external influences and can shift over time.