Recent Blog Articles
Does your child need to bathe every day?
Can flavonoids help fend off forgetfulness?
Can physical or cognitive activity prevent dementia?
Wondering how much your medical care will cost? New rules could help
Long-lasting healthy changes: Doable and worthwhile
The sore throat checklist: What parents need to know
A new treatment for obesity
Remember the flu? Yep, it's that time again
3 ways to build brain-boosting social connections
Grandparenting: Ready to move for family?
Psoriasis
What Is It?
Psoriasis is a chronic skin disorder that causes scaling and inflammation.
Psoriasis may develop as a result of an abnormality in the body's immune system. The immune system normally fights infection and allergic reactions.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.
Sign Me UpAlready a member? Login ».
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles. No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
