Question

Why headache occurs...?​

Answer 1

ᴀɴsᴡᴇʀ:-

It occurs becus of :-

$\sf\fbox\green{Lack of sleep}$

$\sf\fbox\blue{An incorrect eyeglass prescription}$

$\sf\fbox\pink{Stress}$

$\sf\fbox\red{Loud noise exposure or tight head wear}$