By LAURAN NEERGAARD and SHELBY LUM “My year of unraveling” is how a despairing Christy Morrill described nightmarish months ...

Foods like citrus fruits and broccoli may boost the immune system and help you to fight illness. Learn which ...

Scientists are still investigating potential causes and treatments for autoimmune conditions. Here’s what to know. View on ...

The holidays can involve a lot of parties and travel, along with the spread of germs and viruses. Here’s how to boost your ...

The immune system is complex with many moving parts. Research shows that consistent lifestyle habits, like adequate sleep, ...

Colostrum is a crucial part of newborns’ development. The research on whether it's beneficial for adults is far less clear.

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...

Vitamin D appears to influence our immune health, too. Studies have found a link between low vitamin D levels and incidence ...

As the immune system ages, it reacts more slowly to pathogens, vaccines become less effective, and the risk of cancer ...

Dr. David Brendel answers the question: 'Depression And The Immune System?' — -- Question: What is the relationship between depression and the immune system? Answer: Depression really has ...

The body’s defenses may be mildly lowered for about 1 to 4 weeks after a single steroid shot into a joint or near your spine. In some people, particularly with higher doses, this effect may last up to ...