Here's why people in some groups are more prone to inflammatory diseases.
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.
Actress Alexis Arquette has died from complications related to AIDS, according to news reports, but how exactly, does someone die from the disease?
Exactly how Lyme disease bacteria move inside human blood vessels to spread throughout the body has remained largely a mystery, until now.
Some people infected with the Zika virus may develop a rare neurological disorder that is similar to multiple sclerosis, a new study from Brazil suggests.
People who are infected with a common parasite found in cat litter may face a higher risk of having uncontrollable bouts of rage.
Blood from an Ebola survivor combined with a new technique for isolating immune cells may hold promise for treating the deadly virus.
Ancient immune system genes that humans inherited from Neanderthals and Denisovans may help people fight off disease, but may also make them more prone to allergies.
Humans aren't the only ones stressed out by city life. Feral urban bees' immune systems work harder to fend off more intense attacks from deadly pathogens.
A Colombian man's lung tumors turned out to have an extremely unusual cause: The rapidly growing masses weren't actually made of human cells, but were from a tapeworm living inside him.
Pop star Selena Gomez recently announced that she underwent chemotherapy for lupus, an autoimmune disorder that attacks many organs in the body.