If you have a vascular issue of the lungs, the worst thing you can do is increase the intrathoracic pressure, which is what ventilation does. And in a sense is why most people who got on the ...

If you have a vascular issue of the lungs, the worst thing you can do is increase the intrathoracic pressure, which is what ventilation does. And in a sense is why most people who got on the ...

Elizabeth was one of Britain's most beloved monarchs. Here's how Queen Elizabeth's father helped her grow into the role. Her ...