Research shows that early exposure to everyday environmental microbes, through outdoor play, pets, and natural surroundings, helps train children’s immune systems and may lower the risk of allergies ...

Your immune system is your body’s built-in defense network, working nonstop to protect you from bacteria, viruses, and other ...

Seminole County's best source of news since 1908. This local newspaper covers Sanford, Lake Mary, Altamonte Springs, Longwood ...

Measles can erase the immune system's "memory" and cause a rare but fatal health condition. The MMR vaccine prevents these repercussions, evidence shows.

Experts are hoping the answer may be found in kids. As we continue to learn more about COVID-19, one question on many people’s minds is: Why do some people get sick and others stay healthy?

How does the same infection, say the flu or a cold, give some people mild symptoms and leave others suffering? Why do people develop autoimmune diseases? And will we ever be able to predict when—and ...