Association between mobile phone use and risk of rheumatoid arthritis: A large prospective cohort study
During a median follow-up of 13.63 years, 6,082 new rheumatoid arthritis cases were identified. Mobile phone users had an elevated risk of RA onset compared with non-users (HR 1.14, 95% CI 1.07–1.23), and use for more than 30 minutes per week was associated w…