Sample: The hygiene hypothesis states that early exposure to germs reduces the immune system’s ability to resist infections in later years. True or false?
How do we combat waning human immunity? Our slide show summarizes 5 new reports that suggest it’s essential to figure that out.
What is the cause of this erythematous rash that appeared suddenly and spread rapidly on the child's trunk and extremities?
Next time you're stumped by a difficult presentation, ask, “Have you recently started any new medications or changed the dose of any of your old medications?”
Asthma and allergy symptoms, lupus, Lyme disease, Rocky Mountain spotted fever, southern tick–associated rash illness—several seasonal disorders are brought to light in this concise slideshow.
For a young man with eosinophilic esophagitis, which potential allergen is most likely the cause of his symptoms?
Optic nerve dysfunction and neurosarcoidosis, orbital inflammatory syndrome, herpes simplex conjunctivitis, iritis caused by neurosyphilis, proptosis—a close look at ocular conditions and underlying causes.
A new study finds that acute atopic symptoms during pregnancy are associated with increased risk of early atopy and allergic rhinitis in children at age 5 years.
A simple way to prevent asthma or treat wheezing may be to eat flaxseed or take some kind of probiotic.
Bites from various bugs can resemble one another and cause symptoms similar to those of a variety of disorders. Test your knowledge in this week's photo quiz.