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Neanderthals may have used a sticky substance made from birch bark to treat wounds thousands of years before antibiotics existed. Researchers recreated ancient birch tar production techniques and discovered that every sample could inhibit the growth ...

Scientists have developed a tiny, injectable device that can control nerve activity without surgery, batteries, or wires, potentially transforming treatment for chronic pain and movement disorders. Powered wirelessly from outside the body, the seed . ...

A surprisingly simple change in how you walk could help relieve knee arthritis pain and even slow joint damage. In a year-long clinical trial, researchers found that adjusting the angle of a person's foot while walking reduced osteoarthritis pain by ...

A large study suggests loneliness and social isolation can cost people years of healthy life, especially when it comes to mental health. Men experiencing both lost about 5.8 years free from depression and anxiety, while women lost roughly 3.7 years.

A short course of immunotherapy before surgery may offer remarkably durable protection for some patients with stage two or three bowel cancer. In the NEOPRISM-CRC trial, 32 patients with a specific genetic form of bowel cancer received pembrolizumab ...

Chronic diabetic wounds may fail to heal because immune cells remain locked in damaging inflammatory states instead of transitioning toward tissue repair. Researchers are exploring treatments that reprogram these immune responses, raising hopes for . ...

Depression may not be one biological condition, but several distinct patterns of brain activity hiding under the same diagnosis. Researchers studying 263 people with depression identified five brain profiles, each showing different patterns of ...

A six-month study suggests that high-intensity interval training (HIIT) may offer older adults a powerful advantage: losing body fat while keeping their muscle. Unlike moderate-intensity workouts, which led to a small loss of lean muscle, HIIT ...

Researchers have uncovered a new way bacteria detect viral attacks: a virus-produced enzyme cuts a bacterial sensor protein, triggering a self-destructing immune response. The discovery could lead to more effective phage therapies against antibiotic ...

Nicotine e-cigarettes appear to help more smokers quit than patches, gum, and several other common approaches, according to a major review of 80 clinical trials. Researchers say regulated vaping products are not risk-free, but may be a significantly ...