As it does with other pathogens, your immune system sees drugs as foreign invaders to be expelled from your body. But ...

Your immune system needs sunlight like plants need water. Without adequate exposure to natural light, your body’s defense mechanisms weaken in ways most people never realize. From dormant T cells to ...

It’s a jungle out there — of pathogens, viruses, bacteria, parasites and allergens — each seeking a place to call home. Though we’re exposed to these potentially harmful microbes every day, a healthy ...

Sharon Evans, a cancer immunologist at Roswell Park Comprehensive Cancer Center who studies the role of temperature in T cell responses, said that, to date, the influence of the external environment ...

HIV infection profoundly disrupts the immune system. HIV infection targets the CD4+ T lymphocytes that are the cells responsible for regulating both the humoral and cell-mediated immune systems.

Of the 3.6 million babies born in the United States each year, about 80% begin breastfeeding in their first month of life. Breastfeeding has known benefits for both mother and child, reducing maternal ...

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...

Dealing with the itchy, scaly patches that come with psoriasis is difficult enough. But having psoriasis puts you at risk of developing psoriatic arthritis, an inflammatory condition that impacts the ...