Alcohol Abuse and Dependence

Is this topic for you? This topic is about alcohol abuse and dependence in adults. For information about alcohol problems in teens or children, see the topic Teen Alcohol and Drug Abuse. For information about drug abuse in adults, see the topic Drug Abuse and Dependence. What are alcohol abuse and alcohol dependence?

Alcohol abuse means having unhealthy or…

Attention Deficit Hyperactivity Disorder (ADHD)

What is attention deficit hyperactivity disorder (ADHD)?

Attention deficit hyperactivity disorder (ADHD) is a condition in which a person has trouble paying attention and focusing on tasks, tends to act without thinking, and has trouble sitting still. It may begin in early childhood and can continue into adulthood. Without treatment, ADHD can cause problems at home, school, work, and with…

Acne

What is acne vulgaris?

Acne vulgaris, or acne, is a skin problem that starts when oil and dead skin cells clog up your pores. Some people call it blackheads, blemishes, whiteheads, pimples, or zits. When you have just a few red spots, or pimples, you have a mild form of acne. Severe acne can mean hundreds of pimples that can…

3-Hour Diet

Definition The 3-Hour diet is based on the concept that weight loss is best achieved by eating small amounts frequently, in this case, every three hours. Origins

The 3-Hour diet was originated by Jorge Cruise in the mid-2000s, Cruise was an overweight child who went on to lose weight, shape up, and become a self-proclaimed weight-loss expert. He has no formal…

3-Day Diet

Definition There are a variety of three-day diets that circulate from person to person and on the Internet. They tend to promise weight loss of 10 lb (4.5 kg) or more in just three days. Origins

The origins of the three-day diet are unclear. Some people believe that they go back to the 1980s when these kinds of diets were faxed from…

African Americans, Diet of

The 2000 U.S. Census revealed that there were almost 35 million African Americans, or about 13 percent of the total U.S. population. This small percentage of the populace has had a significant influence on American cuisine, not only because African-American food is diverse and flavorful, but also because of its historical beginnings. Despite their cultural, political,…

Adult nutrition

Definition Nutrition describes the processes by which all of the food a person eats are taken in and the nutrients that the body needs are absorbed. Good nutrition can help prevent disease and promote health.

Vitamins and minerals are an important part of nutrition. Vitamins are organic substances present in food. They are required by the body in small amounts…

Adolescent nutrition

Nutrition describes the processes by which all of the food a person eats are taken in and the nutrients that the body needs are absorbed. Good nutrition for adolescents can help prevent disease and promote proper health, growth, and development.

Adequate intakes of vitamins and minerals are an important part of nutrition. Vitamins are organic substances present in food….

Additives and Preservatives

Additives are defined by the United States Food and Drug Administration (FDA) as “any substance, the intended use of which results or may reasonably be expected to result, directly or indirectly, in its becoming a component or otherwise affecting the characteristics of any food.” In other words, an additive is any substance that is added to food….