Nearly everyone scratches mosquito bites, but something as simple as scratching an itch turns out to be far more biologically ...

Medically reviewed by Corinne Savides Happel, MD Allergies occur when your immune system overreacts to harmless substances, ...

These days, most people are vaccinated against measles, a highly contagious, life-threatening respiratory virus, when they ...

Researchers have identified a compound that could block certain life-threatening and hard-to-treat allergic reactions.

Medically reviewed by Corinne Savides Happel, MD Allergy immunotherapy is a long-term treatment for chronic allergies that ...

Allergies are among the most common health issues affecting people worldwide, often leading to symptoms such as sneezing, itching, rashes, and breathing difficulties. At the core of most allergic ...

If you have human papillomavirus (HPV), chances are good you will clear the virus, especially if you build up your immune system to fight HPV. Strategies to strengthen immunity include eating a ...

These 11 foods are great sources of vitamin D and might help you combat deficiencies, a lack of energy and much more. The amount of vitamin D can vary depending on the fish you use. For instance ...

Older adults with cancer respond just as well as younger patients to immune checkpoint inhibitors despite age-related immune system differences, according to a new study. Older adults with cancer ...

Older adults with cancer respond just as well as younger patients to immune checkpoint inhibitors despite age-related immune system differences, according to a study by researchers from the Johns ...

We could be nearing a cure for those nasty spring allergies — and even allergic reactions altogether ... target the chemical histamines that your immune system releases when it detects an ...