Blood Clotting Disorders

Symptoms and Diagnosis Blood clotting disorders that cause your blood to clot more than normal can be very serious. You may experience different symptoms depending on which part of your body is affected by the blood clot. Your doctor will ask you about your symptoms and do tests to find out whether you have a […]
Frequently Asked Questions (FAQ) About Extreme Heat

Español (Spanish) What happens to the body as a result of exposure to extreme heat? People suffer heat-related illness when the body’s temperature control system is overloaded. The body normally cools itself by sweating. But under some conditions, sweating just isn’t enough. In such cases, a person’s body temperature rises rapidly. Very high body temperatures […]
Long COVID or Post-COVID Conditions

Updated July 11, 2022 Post-COVID Conditions Some people who have been infected with the virus that causes COVID-19 can experience long-term effects from their infection, known as post-COVID conditions (PCC) or long COVID. People call post-COVID conditions by many names, including: long COVID, long-haul COVID, post-acute COVID-19, post-acute sequelae of SARS CoV-2 infection (PASC), long-term […]
Tips for Preventing Heat-Related Illness

Stay Cool Wear Appropriate Clothing: Choose lightweight, light-colored, loose-fitting clothing. Stay Cool Indoors: Stay in an air-conditioned place as much as possible. If your home does not have air conditioning, go to the shopping mall or public library—even a few hours spent in air conditioning can help your body stay cooler when you go back into the […]
Get the Facts About TBI

A TBI affects how the brain works A traumatic brain injury, or TBI, is an injury that affects how the brain works. It may be caused by a: Bump, blow, or jolt to the head, or Penetrating injury (such as from a gunshot) to the head There are three main types of TBI: Mild TBI […]
Asthma and COVID-19: What to know

The symptoms section of this article was updated on May 19, 2020. COVID-19 is a highly infectious disease caused by the SARS-CoV-2 virus. As the disease primarily affects the respiratory system, people with moderate to severe asthma who develop COVID-19 may be at higher risk of developing severe symptoms. People with asthma may have concerns […]
3 Ways to Avoid a Second Stroke

Stroke is serious business. It’s the second leading cause of death in the world and fifth in the United States. Even after surviving a stroke, you’re not out of the woods, since having one makes it a lot more likely that you’ll have another. In fact, of the 795,000 Americans who will have a first stroke […]
Deep vein thrombosis (DVT)

Deep vein thrombosis (DVT) occurs when a blood clot (thrombus) forms in one or more of the deep veins in your body, usually in your legs. Deep vein thrombosis can cause leg pain or swelling but also can occur with no symptoms. You can get DVT if you have certain medical conditions that affect how […]
Seizure First Aid

About 1 out of 10 people may have a seizure during his or her lifetime. That means seizures are common, and one day you might need to help someone during or after a seizure. Learn what you can do to keep that person safe until the seizure stops by itself. About 1 out of 10 […]
Dizziness

It’s common to sometimes feel dizzy, lightheaded or off-balance, and it’s not usually serious. See a GP if you’re worried. Check if you have dizziness Dizziness includes feeling: off-balance giddy lightheaded or faint like you’re spinning or things around you are spinning (vertigo) How you can treat dizziness yourself Dizziness usually goes away on its own. […]