Psoriasis - What Causes Psoriasis?

Continued

Stress : Scientists think your immune system may respond to emotional and mental pressures the same way it does to physical problems like injuries and infections.

Weight: People who are obese tend to get plaques in their skin creases and folds.

Smoking: Lighting up can double your risk of getting psoriasis. If you also have a family history of the disease, you're nine times more likely. And smoking makes it harder to get rid of symptoms. It's closely linked with a kind of pustular psoriasis on your palms and soles that's difficult to treat.

Alcohol: Heavy drinkers have a higher risk, especially younger men. Alcohol can make treatments less effective, too.

Hormone changes: The disease often shows up or flares during puberty. Menopause can also trigger it. A pregnant woman's symptoms may get better or even disappear during pregnancy. But after the baby is born, many women have a flare.

WebMD Medical Reference Reviewed by Melinda Ratini, DO, MS on June 16, 2015

Sources

SOURCES:

National Psoriasis Foundation: "Psoriasis Causes and Known Triggers," "Genes and Psoriasis," "Stress," "How Cigarettes and Alcohol Affect Psoriasis," "Pregnancy and Nursing."

NHS Choices: "Psoriasis - Causes."

Medscape: "Dermatological Management of Human Immunodeficiency Virus (HIV)."

American Osteopathic College of Dermatology: "Palmoplantar Pustulosis."

Ceovic, R. BioMed Research International, 2013.

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