Several years ago, the massive American Migraine Prevalence and Prevention Study found that half of those who struggle with migraines can't do household chores and a third forgo family or social activities.
Kim said the prevalence estimates in the study, which happened to take place in South Korea, are higher than previous estimates elsewhere, including but not exclusively the United States.
Dr Kessler says the low prevalence of suicidal thoughts observed in the current study can be explained by personal growth observed among respondents, including those with mental health problems.
She said there are different ways to determine prevalence and that the CDC is considering a total population study of autism, but that it is not yet under way.
Our study confirms that atrial fibrillation is common among older adults and provides a contemporary basis for estimates of prevalence in the United States.