The kidneys contain millions of microscopic blood vessels known as peritubular capillaries. These vessels recapture helpful nutrients like glucose and minerals and return them to your bloodstream for ...

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 ...

An at-home, mail-in, finger-stick blood test detected Alzheimer’s-related biomarkers associated with cognitive performance in older adults, raising the possibility of large-scale dementia risk ...

A new publication in Nature Communications demonstrates that remotely self-collected capillary blood samples can be used to measure Alzheimer's disease biomarkers associated with cognitive decline and ...