Health

Why do people faint?

Maybe it's a bride standing in a hot chapel, or an exhausted runner after a race. It could be someone watching a medical procedure on television or a donor at a blood drive.

Medical research

New genetic weapons challenge sickle cell disease

Help for patients with sickle cell disease may soon come from gene editing to fix the mutation that causes the disease and boost the patient's own protective fetal hemoglobin.

Cardiology

New technology gives unprecedented look inside capillaries

More than 40 billion capillaries—tiny, hair-like blood vessels—are tasked with carrying oxygen and nutrients to the far reaches of the human body. But despite their sheer number and monumental importance to basic functions ...

page 13 from 15