Increased blood flow after a microstroke doesn't indicate that part of the brain has recovered, according to new research in rodents.

Increased blood flow after a microstroke doesn't indicate that part of the brain has recovered, according to new research in rodents.

An app in development could help doctors diagnose anemia by using images of a patient's eyelid to get a count of their hemoglobin.

A new medical device could offer a better way to detect blood clots, especially in children, researchers say.

There's a link between high blood pressure during exercise for middle-aged and older adults and heart disease, hypertension, and even death.

A clinical trial evaluating the benefits of cord blood for children with autism spectrum disorder shows mixed results depending on intellectual disability.

A new method turns stem cells into millions of mature human cells in a shorter time frame. That could pave the way for a range of medical applications.

If proven safe and effective in human trials, a two-in-one injection could make it easier for diabetics to effectively control their blood sugar levels.

A new blood test accurately detects a protein that indicates Alzheimer's disease, researchers say. It may change the way we diagnose and treat the disease.

Revised blood donation restrictions for men who have sex with men have summoned calls for a permanent lifting of the rules. An expert weighs in.