Although you might like to think of yourself as your own person, you actually share your body with many millions of bacteria. Here are five ways gut bacteria may influence health.
When it comes down to it, it's your immune system versus the world. From "innate" immunity — which protects your body against basic threats — to "adaptive" immunity, which homes in on specific targets, your immune system has you covered. Sometimes, however, your immune system can turn against you, leading to autoimmune diseases. To keep up with all things immune, check here for the latest news.
A good strategy for developing a universal flu vaccine may be to try to mimic the body's natural immune response to a pandemic flu virus, a new study suggests.
Immune cells called natural killer cells may play a role in the development of Sjögren’s syndrome, a new study suggests.
A woman in Germany developed what looked like frostbite even though she had not been exposed to extreme cold.
Two men with HIV who received bone marrow transplants in Boston appear to have no detectable levels of the virus in their bodies
A particular type of cell that surrounds tumors may be preventing the body's naturally defenses, from wiping the cancer out, according to a new study in mice.
People who are prone to the sniffles and sneezes they bring on could have a reduced risk of developing brain cancer, according to a new study.
A long journey in space may actually compromise the immune system and make astronauts more susceptible disease.
Our skin makes vitamin D when its exposed to sun, and research shows this "sunshine vitamin" boosts the immune system. Here are some tips for getting enough vitamin D year-round.
One day, components of mucus might be added to baby formula to help protect the baby against infection from viruses.
The finding that older people can develop gluten digestion problems means environmental factors are at play.