Representative image
Representative image

Those with episodic migraine may want to watch their coffee intake

ANI | Updated: Aug 08, 2019 23:46 IST


Washington D.C. [USA], Aug 8 (ANI): Love coffee a little too much? Turns out, three cups of coffee a day are enough to brew up a headache for those who experience episodic migraine.
While the debate over caffeine intake and harmful health effects is never-ending, a recent study has found a link between excessive caffeine consumption and migraines. The results of the study were published in the 'American Journal of Medicine'.
Drinking three or more servings of caffeinated beverages a day is associated with the onset of a headache on that or the following day in patients with episodic migraine, according to the study.
Results were consistent even after accounting for daily changes in alcohol intake, stress, sleep, physical activity, and menstruation, although there was some variation evident with oral contraception use.
"Based on our study, drinking one or two caffeinated beverages in a day does not appear to be linked to developing a migraine headache, however, three or more servings may be associated with a higher odds of developing a headache," noted lead investigator Elizabeth Mostofsky.
Migraine is a disabling primary headache disorder affecting approximately 1.04 billion adults worldwide and representing the most common pain condition causing lost productivity and significant direct and indirect costs.
Despite the widespread anecdotal belief that caffeinated beverages may trigger migraine headaches and relieve headaches once they have begun, there is limited scientific evidence to assess the potential association between changes in daily intake and the onset of headaches after accounting for other changes in lifestyle such as physical activity and anxiety.
Common anecdotal evidence also suggests that migraine can be immediately triggered by weather or lifestyle factors, such as sleep disturbance and skipping meals.
A large number of people worldwide consume caffeine daily, with an average intake of 193 mg per day. Whereas some behavioural and environmental factors may only have potential harmful effects on migraine risk, the role of caffeine is particularly complex because the impact depends on dose and frequency. It may trigger an attack but also has an analgesic effect.
Investigators analysed data from 98 adults who suffer from episodic migraines. Participants completed electronic diaries twice a day for six weeks reporting on their caffeinated beverage intake, other lifestyle factors, and the timing and characteristics of each migraine headache.
The study compared each participant's incidence of migraines on days they consumed caffeinated beverage intake to the incidence of migraines on days they did not. Baseline data had indicated that participants typically experienced an average of five headaches per month, 66 per cent of them usually consumed one to two servings of caffeinated beverages daily, and 12 per cent consumed three or more cups.
During the six-week study period in 2016-17, participants experienced an average of 8.4 headaches. All reported having caffeinated beverages on at least one day during the study, with an average of 7.9 servings per week.
"To date, there have been few prospective studies on the immediate risk of migraine headaches with daily changes in caffeinated beverage intake. Our study was unique in that we captured detailed daily information on caffeine, headache, and other factors of interest for six weeks," commented Suzanne M. Bertisch, principal investigator of the study.
These findings suggest that the impact of caffeinated beverages on headache risk was only apparent for three or more servings on that day and that patients with episodic migraine did not experience a higher risk of migraine when consuming one to two caffeinated beverages per day. (ANI)

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