When the placenta separates from the uterine wall, blood vessels connecting the placenta to the endometrium (uterine lining) bleed. How much bleeding or how many other symptoms occur depends on how ...

Although angioplasty or stenting may increase secondary patency in people with acute obstruction due to DVT, the evidence is very uncertain; the evidence is also very uncertain about the effect of ...

The Chinese balloon that sparked panic when it flew over the US two years ago was, as long suspected, set up to spy on Americans — but surprisingly with US-made technology, according to a new ...