Nail-Biting Could Raise Infection Risk If you're biting your nails while reading this, you might want to stop. Dermatologists warn that this common habit can increase the risk of infection. Biting nails and cuticles can cause tiny wounds around the nail bed, allowing bacteria and viruses to enter. Experts recommend keeping nails trimmed, using bitter-tasting products to deter biting, and identifying emotional triggers that may lead to the behavior. TikTok’s Health Advice Isn’t Always ReliableTikTok is a popular source of entertainment—and increasingly, health information—especially among young users. However, a study by the American Academy of Pediatrics found that more than 20% of sexual health-related TikToks contain false or misleading information. Many of these posts are created by individuals without medical training, raising concerns about the accuracy and safety of advice being shared. New Hope for Breast Cancer SurvivorsFor breast cancer survivors, the fear of recurrence is a constant concern. Researchers at the University of Pennsylvania have made a breakthrough by identifying dormant cancer cells in some survivors—cells that could later lead to the cancer returning. By detecting and treating these cells early, doctors hope to prevent recurrence. This promising method is currently undergoing clinical trials.