Average stress and changes in subjective energy levels on previous day linked to incident headache, with different valence for timing of headache

Overt victimization, suicidality increases risk for frequent headaches

Among teens with headache, 27 percent reported worsening of headaches, while 10 percent had new onset of headache

Increased levels of fatigue and dyspnea, decreased levels of physical activity reported; 63 percent showed at least mild cognitive impairment

Factors that contribute to disparities include racism, socioeconomic status and insurance status, geographic disparities