What are the Causes of Headaches?

Scientists  once thought headaches to be the  result of dilation and constriction of blood vessels and tension headaches due to muscle constriction. But recent scientific researches regarding the causes have thrown up some interesting findings. According to these findings, there are multiple causes of headaches such as inflammation, sinus cavities, eyestrain and other serious conditions such as encephalitis and other diseases.  

There can be a number of different obscure causes of headaches and there is no single reason which behind all headaches.  The numerous types of headache have different types of trigger mechanism. There are a number of factors which can trigger a headache, such as diet, emotions, physical exertion and noise.

According to an estimate, almost 80% of the population experiences one or the other type of headache at some point or the other in their life. However, most of the headaches are common headache. Only 25-30% of the sufferers have migraines. You need to know about the causes of your recurrent headaches in order to eliminate them. Let us have a quick look at what are the common causes of headaches.  

1. Stress and tension: Stress is an integral part of modern life. No matter how hard you  try, you can not avoid it. Stress results in tension in the shoulders leading to headaches. Undergoing physical activities during stress will surely help.

2. Sinus, ear and tooth trouble: Very painful headaches may be the result of congested and dry sinuses or  tooth and ear pain. There is very little which can be done to avoid such headaches as the causative factors are beyond our control.

3. Sleep: Irregular sleep patterns, sleeping more or less than habitual are reasons which may trigger headaches. Make sure to have a consistent sleep pattern.   It is always advisable to getup and go to sleep at regular timings. 

4. Dehydration: Properly hydrating the body by having 8 to 10 glasses of water is important to keep common headaches at bay. Not having enough water can lead to dehydration. 

Most of the common headaches are thus the result of one of the above common causes. These common headaches can be easily treated without resorting to medicines or pain killers. But in case of migraines, recent findings have shown that migraine is the result of lack of serotonin levels in the brain. Lack of serotonin can lead to headaches, depression and sleep disorders.