This common condition has little to no symptoms, meaning many people don’t even know they have it. Research is mixed as to the significance of the link between hypertension and headaches.

This is called allodynia, which means "other pain." Up to about 80% of people with this condition have allodynia during an attack. Pain is an uncomfortable sensation, but it's meant to be helpful.

Some doctors and scientists believed that Black people were biologically different from whites and even immune to pain. They used these distorted ideas to justify the inhumane treatment of Black ...

“I used to think that disability travels with pain, and it’s only when the pain gets severe that people are impaired. That’s not only false, but we have treatments to do something about it ...