Lymphocyte levels may return to healthy levels on their own or following treatment. Doctors will first identify the underlying cause of lymphocytosis to determine the best way of lowering ...

A big step forward in cancer therapy has been slowed by layoffs and new restrictions at the National Institutes of Health, where it was developed.

A new study published in JCI Insight suggests that interleukin-7 (IL-7), a key immune-boosting cytokine, may help critically ...

Measles can erase the immune system's "memory" and cause a rare but fatal health condition. The MMR vaccine prevents these ...

Measles doesn’t just cause illness, but also erases the immune system’s memory, leaving people vulnerable to infections ...

Autoimmune thyroid disease (AITD) causes cellular damage and alters thyroid gland function by humoral and cell-mediated mechanisms. Cellular damage occurs when sensitized T-lymphocytes and/or ...

The documentarian, 54, took to Instagram on Monday after his trip to the barbers and posted a glimpse of his 'patchy AF' hair ...

The spots do not disappear when you put pressure on them (non-blanching). Petechiae can have a number of causes, some of which can be serious. How to Tell if You Have Petechiae If you’re wondering ...

An insidious but lesser-known consequence of even a mild measles infection is that it kills the very cells that remember ...