A narrow band of green light could improve migraines

(Oxford University Press) Most migraine and post-traumatic headache sufferers find their headaches get worse in light, leading them to quit their most fundamental daily tasks and seek the comfort of darkness. A new study from Harvard Medical School reveals that exposing these headache sufferers to pure-wavelength green light significantly reduces their photophobia, or sensitivity to light, and can even reduce the severity of their headaches. The results publish today in Brain.