Headache and rhinitis: pattern search on Google Trends for 17 years.
Diego Belandrino SwertsGuilherme BarbosaMario Fernando Prieto PeresPublished in: Einstein (Sao Paulo, Brazil) (2022)
Headaches and rhinitis were correlated in 17 years of research on the Google Trends platform. Circannual variation of both conditions was observed. Additional studies with digital research may be useful to better understand the epidemiology and comorbidities of headache.