7 Leading Causes Of Headaches

 1. Sunlight and Vitamin D Deficiency

According to studies within the University of Eastern Finland, a vitamin D deficiency increases the risk of chronic headaches.

Scientists analyzed the serum vitamin D levels in approximately 2,600 people. People with the lowest serum vitamin D levels were prone to chronic headache development more than others. Chronic headaches were also more frequently reported by men who were examined outside the summer months as the level of solar radiation was lower during other seasons.

2. Bright Light


People experiencing headaches often try to avoid bright light and spend more time in dark rooms. Beth Israel Medical Center’s studies identified novel connections between neurons in the eyes and neurons in the brain that control our mood in physical parameters such as heart rate, shortness of breath, fatigue, and nausea.

In addition to the fact that bright light can be the cause of a headache, it makes patients suffer from annoyance, anger, anxiety, and desperation. Research participants also mentioned that they experienced constant discomfort, nausea, and shortness of breath.

3. Thunder and Lightning


Scientists from the University of Cincinnati used mathematical models to determine if the lightning itself was the cause of the increased frequency of headaches or whether it could be attributed to other weather factors. The results revealed a 19% increase of the risk of headaches on lightning days, even after accounting for weather factors. This suggests that lightning has its own unique effect on people and their susceptibility to headaches.

Geoffrey Martin indicates that the exact mechanisms through which lightning and such meteorologic factors as humidity and barometric pressure trigger headaches are unknown. Nevertheless, this study shows ties between lightning and the occurrence of headaches.

4. Depression and Anxiety




588 patients experiencing headaches took part in a study conducted at the National Defense Medical Center in Taiwan. In most cases, anxiety, depression, and unhealthy sleep were the main reasons for pain.

It appeared that factors such as emotional distress and frequency of headaches could influence each other through a common pathophysiological mechanism. For example, emotional responses have the potential to alter pain perception and modulation through certain signaling pathways.

Fu-Chi Yang, the author of this research, notes that the results potentially suggest that adequate medical treatment to decrease headache frequency may reduce the risk of depression and anxiety in migraine patients.

5. Medicines Containing Codeine


According to studies conducted at the University of Adelaide, taking large doses of medicine containing codeine may contribute to serious headaches. It’s a frequent problem among patients with high sensitivity to pain.

Jacinta Johnson says, “Pain sensitivity is a major issue for users of opioid drugs because the more you take, the more the drug can increase your sensitivity to pain, so you may never quite get the level of relief you need. In the long term, it has the effect of worsening the problem rather than making it better.”

6. Obesity


Studies within Johns Hopkins University confirmed that obesity is connected to headaches in general and migraines specifically, as well as with certain secondary headache conditions such as idiopathic intracranial hypertension. Additionally, because of the excess weight, migraines are most widespread in people of the reproductive age.

The higher the body mass index is, the more likely periodic headaches are to turn chronic. But physical activity and weight loss can help reduce pain frequency and even get rid of it.

7. Cold

Scientists of the Max Planck Institute for Evolutionary Anthropology note that people’s adaptation to cold temperatures can contribute to changes in headaches spreading throughout the population. Felix Key’s study also highlights how past evolutionary pressures can influence present-day phenotypes in a cold environment.

Because of low temperatures, spasms of cerebral vessels may occur and it affects the process of blood circulation. In a cold environment, the blood oxygen level decreases and that’s why people may experience headaches or a migraine.

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