Hyaluronic acid is a naturally occurring compound in our bodies that attracts and binds water. It has become a widely used ingredient in a range of skin care products, from serums and moisturizers to eye creams and sunscreens. Using products formulated with hyaluronic acid can improve the look of aging skin by helping to replenish moisture and fill in or plump fine lines.
A new prostate cancer diagnosis can trigger fears about future cancers. Explore how age, genes, treatment, and lifestyle may affect your risk.
Crestor can be affected by common drugs, from antacids to blood thinners and antivirals. See which medicines and vitamins need extra caution.
Head or neck trauma can sometimes damage key arteries supplying the brain. Find out how this rare injury might trigger a stroke in younger adults.
Women on birth control who develop shingles may worry Valtrex could reduce protection. Find out if this antiviral impacts contraceptives.
A 77-year-old man with a brother who died of prostate cancer weighs the pros and cons of PSA screening with age, health, and risk in mind.
Discover what dark vertical streaks on fingernails might mean, from benign nail pigmentation to signs of a more serious skin cancer.
Weight loss may involve repeated episodes of losing weight and gaining it back (weight cycling). A 2026 study found a greater loss of thigh muscle over four years among weight cyclers than among those who maintained a steady weight.
A 2026 study of adults with chronic musculoskeletal pain found that a largely self-directed cognitive behavioral therapy (CBT) program was slightly more effective than traditional clinician-delivered CBT in relieving chronic pain.