Scientists have known for years that a lattice of blood vessels nourishes cells in the retina that allow us to see – but it's been a mystery how the intricate structure is created. Now, researchers at ...

Three types of surgery can remove or reduce an arteriovenous malformation, a tangle of blood vessels that impede blood flow. An arteriovenous malformation (AVM) is a rare, noncancerous entanglement of ...

Even brief periods of anger can impair blood vessel function, which may increase the risk of heart disease, a new study suggests. Feeling angry reduced blood pressure function in healthy adult ...

Alzheimer’s disease is the most commonly diagnosed form of dementia, but it’s far from the only one. In fact, most people who ...

Transplanting insulin-producing cells along with engineered blood-vessel-forming cells has successfully reversed type 1 diabetes in a new preclinical study. With further testing, the novel approach ...

High blood pressure can indirectly cause shortness of breath by forcing the heart to work harder, which may lead to cardiovascular issues. Pulmonary hypertension, a specific type of high blood ...

The term “rare blood disorders” describes less common conditions that affect blood cells’ ability to function correctly. Myeloproliferative disorders and lymphoproliferative disorders are two types of ...

That seemingly arbitrary letter you rarely think about could be silently influencing your health in surprising ways. Your blood type, determined before birth and unchanged throughout life, extends far ...

Alexandria Nyembwe is a registered nurse and health writer. She has worked in street medicine serving populations experiencing homelessness in Skid Row Los Angeles as well as in cardiovascular care in ...