While some aspects of our health are more visible than others, many become evident through symptoms that we can see from the outside. That’s why organs such as our hair, skin and nails are so useful ...

Thyroid disease can sometimes cause repeated bouts of an itchy skin rash known as hives. In fact, up to 30% of people with chronic hives (also known as chronic urticaria) have an underlying autoimmune ...

Doctors writing in this week’s New England Journal of Medicine detailed how the man developed a rare skin condition often ...

Enlarging purple pruritic nodules on the dorsal neck One month after a painful neck rash, an HIV-positive man develops pruritic purple lesions at the same site. A 34-year-old African American man ...