Learn How Serious Your Headaches Really Are

Some headaches can be signs of a stroke, an aneurysm, a brain tumor, or bleeding in the brain.

In rare cases, they can even mean your arteries and veins aren't connected properly. So if you get any of the following headaches, contact a doctor immediately.
Some headaches can be signs of a stroke, an aneurysm, a brain tumor, or bleeding in the brain.