The 2025-26 flu season could continue into spring with unusual persistence and high severity. A new H3N2 variant is causing serious illness in children, a doctor says.

High-altitude living may reduce diabetes risk as red blood cells act like glucose "sponges," absorbing sugar from bloodstream in low-oxygen environments, research suggests.

Stanford researchers develop breakthrough nasal spray vaccine that could potentially protect against a variety of infections, like COVID-19 and pneumonia, for several months.

High-altitude living may reduce diabetes risk as red blood cells act like glucose "sponges," absorbing sugar from bloodstream in low-oxygen environments, research suggests.

Discover five key lifestyle changes that can help reduce your risk of age-related macular degeneration, a leading cause of vision loss in adults over 60.

Scientists have developed a blood test that could predict Alzheimer's symptoms years in advance using p-tau217 protein levels for early intervention strategies.

Doctors caution that shoveling heavy, wet snow and exposure to frigid winds can strain the heart and raise injury risk, especially for inactive adults.

Ancient bacteria trapped in Romanian cave ice for 5,000 years shows immunity to 10 modern antibiotics, revealing resistance existed before medicine.

Scientists have developed a blood test that could predict Alzheimer's symptoms years in advance using p-tau217 protein levels for early intervention strategies.

Experts warn people with diabetes to be careful with certain supplements that can dangerously affect blood sugar levels and interact with medications.

Brushing teeth regularly is linked to longer life, and researchers presented evidence connecting oral health to reduced risk of dementia and cardiovascular disease.

Scientists discover hidden virus in gut bacteria that may be linked to colorectal cancer development, offering new insights into cancer research.

Brushing teeth regularly is linked to longer life, as researchers present evidence connecting oral health to reduced risk of dementia and cardiovascular disease.

Conversation starters, celebrity health reveals, healthy living hacks and medical cautions: Here's what you missed in Fox News Health this week