Browsing: Autoimmune

Some types of T cells (pictured, artificially coloured) kill infected cells, but others help to suppress inflammation. Credit: Steve Gschmeissner/Science Photo LibraryThe class of immune cells…

This story has been updated.The human immune system is our body’s primary line of defense against harmful microbes, viruses and other invaders—but that defense line can…

Most U.S. Babies Are Deficient in Key Gut Microbes Essential for Their HealthBabies lacking in key gut bacteria are at greater risk of developing asthma, allergies…