Smartphones may make your headaches worse, study finds –

By | March 11, 2020

If you think the time spent on your smartphone could be contributing to a relentless headache, you might be right, a new study finds.

In the study, a group of subjects in India were observed to determine the association between smartphone use and new headaches, or increased severity.

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Although there are anecdotal stories suggesting a link between technology use and pain, so far there has been limited evidence on the relationship between smartphones and pain, the report said.

The researchers studied 400 people with a primary headache condition, which includes migraines, tension headaches and other types not caused by another illness.

After asking the participants about their smartphone use, headache history and medication use, they found that smartphone users were more likely to use more pain medication but find less relief compared to those who didn’t use smartphones.

Is constant smartphone use making you unwell?
Is constant smartphone use making you unwell? Credit: Getty Images

“The associations found in the study do prompt the possibility that smartphone use may be a potential trigger for headache worsening, and there might be unexplored mechanisms which future studies may unravel,” said Dr Deepti Vibha, study author and associate neurology professor at All India Institute of Medical Sciences in New Delhi.

While the research, which published Wednesday in the journal Neurology: Clinical Practice, doesn’t conclusively state whether smartphones cause headaches, it adds to a body of knowledge that questions the health effects of smartphones as we become increasingly more reliant on them to fulfil daily tasks.

Smartphones and pain

At a care centre in India, participants were split into two groups: those who didn’t use a mobile device or used one that had only calling features, and those who used smartphones.

The participants then answered questionnaires assessing their smartphone use and their history of headache symptoms.

After comparing the questionnaires, the researchers found that 96 per cent of smartphone users were more likely to take pain-relieving drugs compared to 81 per cent of non-smartphone users.

Smartphone users also reported less relief from headaches after taking medication, with 84 per cent finding moderate or complete relief from headache pain compared to 94 per cent of non-users.

Hand holds mobile phone.
Constant phone use can cause eye strain. Credit: AP

Increased ‘aura’

Smartphone users also reported a higher occurrence of aura, which describes a warning sensation experienced before an attack of epilepsy or migraine, compared to non-smartphone users.

There was no difference between the two groups in how often headaches occurred, how long they lasted or how severe they were.

While smartphone users in the current study had a harder time recovering from headaches, the study did not determine whether the severity was due to excessive smartphone use.

Additionally, the study did not follow the participants over time to observe changes related to smartphone use.

‘Text neck’

While the study didn’t determine why the smartphone users said they had a harder time recovering from headaches, recent research offers a few theories, the authors said.

It’s possible that some of the behaviours intrinsic to smartphone use can contribute to headaches, such as bending the neck to scroll through your phone.

This posture, deemed “text neck,” has been found to cause strain on a person’s spine that can feel like the equivalent of about 10kg, according to a 2018 study.

Eye strain

Eye strain, which is caused by improper focusing and can increase with excessive phone use and holding the device too close to your face, can also cause headaches, according to the American Migraine Foundation.

“The root of the problem is not yet clear,” said Dr Heidi Moawad, a neurologist who teaches at Case Western Reserve University School of Medicine and John Carroll University, in an editorial about the study.

“Is it a user’s neck position? Or the phone’s lighting? Or eye strain? Or the stress of being connected at all times?

“Answers will likely emerge in upcoming years and eventually guide strategies for more sustainable use of the devices.”

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Reducing the pain

Dr Christopher Gottschalk, chief of the Yale School of Medicine’s Division of General Neurology, said that while the study does not show that smartphone use is a direct cause of more intense headaches, people who use smartphones should pay attention to whether their headaches grow worse over time and see a doctor for it.

Moawad suggested features such as hands-free settings, voice activation and audio functions could potentially hold the key to helping smartphone users benefit from their phones without exacerbating their headaches.

Further studies are needed to fully understand the effects of smartphone use on our well being, the researchers said.

“The fact that smartphone users require more painkillers to abort headaches and have a higher pill count per month, hints that smartphone use and headache needs to be studied in longitudinal studies,” Vibha said.

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