Science, asked by harshaben79, 10 months ago

what is headache? how does it occur

Answers

Answered by Anonymous

0

Answer:

hey mate right answer is here.

Explanation:

Primary headaches are stand-alone illnesses caused directly by the overactivity of, or problems with, structures in the head that are pain-sensitive. This includes the blood vessels, muscles, and nerves of the head and neck. They may also result from changes in chemical activity in the brain.

Answered by acsahjosemon40

0

Answer:

Answer:

hey mate right answer is here.

Explanation:

Primary headaches are stand-alone illnesses caused directly by the overactivity of, or problems with, structures in the head that are pain-sensitive. This includes the blood vessels, muscles, and nerves of the head and neck. They may also result from changes in chemical activity in the brain.

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