Fainting is a phenomenon that can happen to anyone under specific circumstances. The feeling of losing consciousness is not only strange but also fearful. Some people tend to faint often and some have never fainted in their life. It can stem out of severe physical conditions and if you are someone who has experienced fainting too many times recently then you should see a doctor and take his opinion. The basic fact is that when the blood flows to the brain, it gets halted for some reason a person loses consciousness. Surveys prove that people who have crossed 70 are more likely to faint when they receive shocking news of some sort.
The reasons of fainting or the incidents or circumstances that trigger fainting can be varied. The most prominent reason is that sometimes the brain doesn’t get enough oxygen and we lose consciousness due to that. Blood pressure levels and the Vagus nerve are connected with this phenomenon. Vagus nerve is responsible for increasing the blood flow to the stomach for hastening the digestion process. Sometimes it tends to make more than necessary percentage of blood flow to the stomach from the brain tissues which can lead to unconsciousness. When there is some sort of imbalance in the blood pressure or when the blood pressure drops then chances of fainting increase.
Loss of blood in huge amounts can make a person lose consciousness. Drinking little or no water can cause and lack of water can cause dehydration. People suffering from dehydration are more prone to losing consciousness. Situational fainting is caused by an even or circumstance that puts pressure on the afflicted person’s mind. Some people faint at the sight of blood and some cannot remain long in a claustrophobic atmosphere. Heart diseases are also a cause of fainting bouts.