Knee cartilage usually wears down quietly. Over time, that loss can turn walking stairs into a daily calculation.

Biology has always been an unruly science. Cells divide when they want to. Genes switch on and off like temperamental lights.

One of the most well-studied cellular responses is how they react during times of stress, such as when the temperature gets ...

Novel research led by Brazilian scientists describes the immune system's reactions in detail in the first living patient to ...

Researchers say study findings may lead to a more promising future for cell therapy targeting stroke and other neurological disorders.

Pioneering research led by Brazilians describes the immune system's reactions in detail in the first living patient to receive a genetically modified pig kidney transplant.

A recent study shows that bacteria living inside colorectal tumors form distinct ecosystems that are closely linked to how ...

Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more ...

As people grow older, the same brain chemistry that once supported sharp thinking and stable mood can quietly start to work ...

Drugs that act against bacteria are mainly assessed based on how well they inhibit bacterial growth under laboratory ...