Immune and infectious diseases Archive

A sarcoidosis diagnosis followed by ITP can raise concerns about a possible connection. Discover what may link these conditions and what remains uncertain.

Graves’ disease affects the thyroid, but its broader impact may involve other parts of the body. Find out which conditions doctors monitor.

A post-cold cough may signal more than a temporary problem. See how reactive airways disease is evaluated and whether risk can be passed to children.

A cough that lingers for weeks after a cold can be confusing. Learn why it can persist, what else might be going on, and when to see your doctor.

Avoiding a painful shingles attack is reason enough to get vaccinated, but protecting your heart may be another. A major study found that people who received two doses of the Shingrix vaccine have a 9% lower risk of serious heart-related issues over seven years compared to those who got the old Zostavax vaccine.

A 2026 research review and meta-analysis suggests that regular stair climbing may lower people’s risks of dying of cardiovascular problems or any cause, as well as reduce the risks of heart attack, stroke, or heart failure.

Sinus symptoms can have several causes, and certain patterns may help distinguish a routine cold from a problem needing medical attention.

Kelp contains a nutrient that affects thyroid function, making supplement choices important for people with nodules or other thyroid concerns.

Celiac disease affects everyone differently. While some people develop digestive symptoms, such as bloating and diarrhea, many adults also experience non-digestive symptoms, such as anemia or osteoporosis. Others have no noticeable symptoms despite intestinal damage.