Sat, January 24, 2026 at 2:56 PM UTC The immune system is the body’s natural defense network that helps to keep you healthy from things like bacteria, viruses, and parasites. It’s a complex network of ...

Lindsey DeSoto, RD, is a nutrition writer, medical reviewer, and registered dietitian who helps clients improve their diet for health-related reasons. Her writing covers a variety of topics, including ...

Recent immunology research has unveiled the complex relationship between vitamin D and immune system function. This vital nutrient is involved in the development and function of the immune system, ...

We often judge our immune systems based on how many colds we catch in a year, but experts say that’s an oversimplification of what is a highly complex network of cells, tissues and organs that works ...

Immunosenescence can occur in the elderly or aging population and involves a decrease in many immune functions, which leads to the immune system having reduced efficacy when responding to infections ...

Does a glass of OJ a day keep the doctor away? Reviewed by Dietitian Lisa Valente, M.S., RD Orange juice supports the immune system because it’s rich in vitamins and antioxidants. Drinking OJ helps ...

As cold and flu season begins, you may be wondering what you can do to help keep your immune system strong with all the nasty bugs going around. In addition to staying up to date on your seasonal ...