Researchers found a way to retrain cells deep inside the bone marrow, helping the body produce stronger cancer-fighting cells. The surprising catalyst behind this remarkable discovery? A simple food-grade supplement.

Microplastics are nearly impossible to avoid. But research suggests they may do the most damage when they encounter a liver already struggling with fat, inflammation and poor metabolic health. Here’s how to strengthen your defenses and reduce your exposure.

Exercise does more than help build muscle. It could reverse a key driver of muscle aging by helping older muscle cells restore the cleanup-and-repair systems they need to stay strong, responsive and ready for the life you want to keep living.

Pancreatic ductal adenocarcinoma is on the fast track to becoming the second-leading cause of cancer-related deaths. Why? A common denominator in two common conditions turns cells cancerous, but there’s a way to throw a kink into the equation…

Most people expect pain after surgery. But one common vitamin deficiency could make that pain worse — leaving patients in need of more opioid medication to get through recovery. That’s not surprising once you know this vitamin’s pain-relieving links…

Protein after 50 isn’t just about preserving muscle. Leucine, a key amino acid found in protein-rich foods, may also help support the mitochondria that power your cells, making it part of a bigger strategy for cellular energy and healthy aging.

After years of mixed findings, a new meta-analysis may explain why vitamin D helps depression symptoms in some studies but not others: Like with medicine, dosage matters…

Serotonin may be best known as the brain’s “feel-good” chemical. But new research suggests it may also activate a hearing-related brain circuit that can turn up the volume on tinnitus — especially for some people taking medications that boost it…

You may not drink every day, or even every week. Or maybe you do. But there’s the occasional special weekend when you have a few. Is that a problem? If you have certain metabolic risk factors, it could be — especially for your liver.

Summer sun can do a number on your skin. But new research suggests one juicy fruit may help support your skin’s natural defenses from the inside out — by influencing genes tied to the skin barrier and oxidative stress.

Air pollution particles may do more than irritate your lungs, they may affect your brain. If you’re 40+, a simple home appliance that cleans your air may also rev up your brain. Here’s what the study found and how to put cleaner air to work for a healthier brain as you age.

New research suggests the kind of fat you eat may matter more than the amount when it comes to insulin resistance. Here’s why one common fatty acid may worsen blood sugar control — and another may help protect it.