Key clinical point: Higher intake of dietary caffeine was positively associated with a higher prevalence of severe headaches or migraines in US adults.
Major finding: Overall, the incidence of severe headaches or migraines increased by 5% with each 100 mg/day increase in dietary caffeine intake (odds ratio [OR] 1.05; P < .001), with the risk increasing by 42% with caffeine intake ≥ 400 mg/day vs ≥0 to <40 mg/day (OR 1.42; P < .001).
Study details: This cross-sectional study evaluated the association between dietary caffeine intake and severe headaches or migraines in 8993 U.S. adults age ≥ 20 years.
Disclosures: This study was funded by the Shandong Traditional Chinese Medicine Science and Technology Development Project, China. The authors declared no conflicts of interest.
Source: Zhang L et al. Association between dietary caffeine intake and severe headache or migraine in US adults. Sci Rep. 2023;13:10220 (Jun 23). Doi: 10.1038/s41598-023-36325-8