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Acne is a common skin disease that causes pimples. Pimples form when hair follicles under your skin clog up. Most pimples form on the face, neck, back, chest, and shoulders. Anyone can get acne, but it is common in teenagers and young adults. It is not serious, but it can cause scars.

No one knows exactly what causes acne. Hormone changes, such as those during the teenage years and pregnancy, probably play a role. There are many myths about what causes acne. Chocolate and greasy foods are often blamed, but there is little evidence that foods have much effect on acne in most people. Another common myth is that dirty skin causes acne; however, blackheads and pimples are not caused by dirt. Stress doesn't cause acne, but stress can make it worse.

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Illustration of facial acne
Results 1 - 10 of 562 for acne
  1. Acne (National Library of Medicine)  
    Acne is a common skin disease that causes pimples. Pimples form when hair follicles under your skin ... neck, back, chest, and shoulders. Anyone can get acne, but it is common in teenagers and young ...
  2. Rosacea (National Library of Medicine)  
    ... or flushing Small, red lines under the skin Acne A swollen nose Thick skin, usually on the ...
  3. Hidradenitis Suppurativa (National Library of Medicine)  
    ... women, African Americans, and people who have had acne. It usually starts after the teenage years. Treatments ...
  4. Acne vulgaris; Cystic acne; Pimples; Zits ... Acne occurs when tiny holes on the surface of the skin become clogged. These holes are called ...
  5. Acne Facts and Stats (American Academy of Dermatology)  
    ... Home Media resources Stats and facts Conditions Acne Acne Acne is the most common skin condition in ... effect, which may be 4 to 8 weeks. ACNE FACTS Acne, a chronic inflammatory skin condition, is ...
  6. Acne Scars: Treatment and Outcome (American Academy of Dermatology)  
    ... treatments A - D Acne scars Treatment and outcome Acne scars: Treatment and outcome Safe and effective treatment ... be best for you. How do dermatologists treat acne scars? If you and your dermatologist believe that ...
  7. Acne (American Academy of Dermatology)  
    ... to Z Diseases and treatments A - D Acne Acne Adult acne: The number of adults who have ... and how to successfully treat it. Why treat acne? Myths about acne are as common as the ...
  8. Acne: Signs and Symptoms (American Academy of Dermatology)  
    ... Diseases and treatments A - D Acne Signs, symptoms Acne: Signs and symptoms Blackheads and whiteheads Blackheads and ... sandpaper. View as one page View as slideshow Acne signs Many people think that acne is just ...
  9. Acne: Diagnosis, Treatment, and Outcome (American Academy of Dermatology)  
    ... Diseases and treatments A - D Acne Diagnosis, treatment Acne: Diagnosis, treatment, and outcome How do dermatologists diagnose acne? To diagnose acne, a dermatologist will first examine ...
  10. Acne: Who Gets and Causes (American Academy of Dermatology)  
    ... and treatments A - D Acne Who gets, causes Acne: Who gets and causes Who gets acne? If you have a bad case of acne, ... acne when they reach middle age. What causes acne? Acne appears when a pore in our skin ...
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