Changing pressure on your brain from too much fluid -- or too little -- can lead to headaches. We take a look at high- and low-pressure headaches, how to tell the difference, and what you can do ...

There are two physical differences between Low pressure systems and High pressure systems. First, is the circulation surrounding them. Secondly, is the atmospheric motion that they cause.

When there is low pressure, the atmosphere is almost void of air. When there is high pressure, the atmosphere has a surplus of air. The atmosphere likes to be in equilibrium (or balanced).

Understanding atmospheric pressure is vital, newsroom meteorologist Justin Ballard said, because those giant H’s and L’s representing high and low air pressure systems on a weather map are ...

Symptoms of Low Blood Pressure. Low blood pressure often doesn’t cause noticeable signs or symptoms. However, when symptoms do occur, they may include: — Dizziness — Lightheadedness — Fainting ...