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X-Plain Acne Reference Summary

Source: www.nlm.nih.gov
Topic: Acne
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Sort Desciption: Nearly 17 million people in the United States have acne, making it one of the most common skin diseases in the USA. Although acne is not a serious health threat, severe acne can lead to ...

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Nearly 17 million people in the United States have acne, making it one of the most common skin diseases in the USA. Although acne is not a serious health threat, severe acne can lead to disfiguring, permanent scarring, which can be upsetting for people who have it. This reference summary will help you understand what acne is and how it can be treated. Anatomy Our body is covered with hair, except for a few areas. Some of the hair is very smooth and barely noticeable. Hair is made of a chemical compound called keratin, which is made inside the skin by the hair follicle. Small glands located around hair follicles produce an oily substance called sebum. These glands are called sebaceous glands. Sebum seeps onto the skin surface through the opening of the follicle. Together, the hair follicle and sebaceous glands around it are called a pilosebaceous unit. Pilosebaceous units are biggest and most abundant on the face, upper back, and chest. These are areas where acne tends to show up. Acne Acne is a disorder of the skins sebaceous glands that results in clogged pores and lesions, commonly called pimples or zits. Acne lesions usually occur on the face, neck, back, chest, and shoulders. Acne occurs when sebum is not able to pass through the hair follicle. Cells from the lining of the follicle are shed too fast and clump together, plugging up the follicles opening so sebum cannot get through. The mixture of sebum and cells causes bacteria to grow in the plugged follicles. These bacteria produce chemicals and enzymes that can cause inflammation. When a plugged follicle can no longer hold its contents, it bursts and spills sebum, skin cells, and bacteria onto nearby skin. People of all ages get acne, but it is most common in adolescents. Nearly 85% of adolescents and young adults between the ages of 12 and 24 develop acne. This document is a summary of what appears on screen in X-Plain. It is for informational ...

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