What do dark vertical streaks on fingernails indicate?
Discover what dark vertical streaks on fingernails might mean, from benign nail pigmentation to signs of a more serious skin cancer.
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.
The FDA is considering labeling changes for testosterone replacement therapy (TRT) products. While the proposed changes would make TRT much more accessible, the FDA is still advising that use of TRT should be avoided in men with metastatic prostate cancer.