The New York University School of Medicine and collaborators found that capillary-associated macrophages in skin decline with age, weakening microvascular repair and reducing perfusion in mice, with ...

Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating the exchange of ...

Maybe you've noticed a smattering of tiny red dots across your face and wondered what they are. If you've ruled out acne or acne scars, chances are those red marks are actually tiny broken capillaries ...