Question

Human brain has no pain receptors then why do we get headache?

Answer 1

because of more tension. more unnecessary thinking. it usually affected our brain so we get hade ache. thank you hope you like my answer.

Answer 2

headache is not what we feel in the brain
its the veins that runs over it the arachnoid part too
the blood vessels supplying blood to it when it gets cold we feel headache