Toxic relationships may be aging you faster than you think. New research reveals difficult people in your life could accelerate biological aging by 1.5%.

Daily multivitamin use slowed biological aging by about four months in a two-year study of nearly 1,000 participants, with the biggest benefits in older adults.

Nearly half of adults 65+ improved cognitively or physically over 12 years, a new Yale study finds. Positive beliefs were linked to better outcomes.

Male fertility issues spark debate, as studies show conflicting results on sperm counts. Experts reveal the complex reality behind declining birth rates.

Researchers say elevated p-tau217 levels in older women were strongly linked to future dementia, raising hopes for earlier detection and prevention strategies.

Chronic smoke exposure, sleep loss and stress raise heart and cancer risks for firefighters. Doctors reveal small lifestyle changes to boost longevity.

Muscle strength study suggests women over 60 with greater strength had lower death risk over eight years. University at Buffalo researchers followed 5,000 women ages 63-99.

Compounds found in cannabis could provide a new roadmap for treating the world’s most common chronic liver disorder, according to a study released by the Hebrew University of Jerusalem.

Chronic smoke exposure, sleep loss and stress raise heart and cancer risks for firefighters. Doctors reveal small lifestyle changes to boost longevity.

Experts weigh in on valerian root being called "nature's Valium" for anxiety, stress and sleep issues, warning that the comparison may be misleading for users.

New study suggests GLP-1 drugs like Ozempic and Wegovy may raise fracture risk by 11% in adults 65 and older with type 2 diabetes compared to other diabetes medications.

Fire-breathing challenge reportedly leaves 14-year-old Pennsylvania girl intubated with burns after blowing isopropyl alcohol onto flame. Fire Chief Tommy Dick warns parents.

From calorie burn to gut health, does water temperature really make a difference? A dietitian explains the real impact of hot vs. cold hydration.

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