severe headache

What Is Vascular Dementia?

Vascular dementia (VaD) ranks second among memory loss causes after Alzheimer’s disease, yet it is often overlooked. But what is vascular dementia? The condition is caused by vascular problems affecting memory regions and supporting structures in the brain, and is closely associated with cardiovascular disease and cerebrovascular disease. Causes of … Read More

Ocular Migraine: Headache or Not, It Can Be Disturbing

What is an ocular migraine? If you're unfamiliar with the term, you might size it up pretty quickly as a severe headache centered in the area of your eyes. You would be partially right. After all, the word “ocular” comes from the Late Latin word ocularis—literally “of the eye”—and dates … Read More

What Causes Strokes—and 6 Ways to Prevent Them

A stroke occurs in the brain, but it can affect your body from head to toe. What causes strokes is a partial or total interruption of the blood supply to your brain. Suffering a stroke can be fatal, or it can cause brain damage, paralysis, and other complications. “A stroke’s … Read More

Get Help Fast for Heart Attack and Stroke Symptoms

Many people having stroke symptoms or a heart attack don’t know it. Lack of knowledge about the warning signs means they may dismiss a stroke as a bout of dizziness, while a heart attack might be chalked up to heartburn or a pulled muscle. However, if you ignore the symptoms … Read More

Thunderclap Headache: Consider It a Medical Emergency

Some headaches come on gradually—the average tension headache, for example. Others—like ice pick headaches—are sudden and swift. A thunderclap headache can develop just as quickly as an ice pick headache, but—unlike ice pick headaches, which typically don't last longer than 10 seconds—a thunderclap headache can continue for as long as … Read More

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