Lightheadedness and dizziness can be symptoms of various medical conditions, including serious heart and brain issues.

Causes of lightheadedness during exercise include an intense workout or dehydration. It may also be a symptom of conditions like heart and lung disease. Stop working out right away if you feel ...

Keep in mind that vertigo is a symptom of a medical condition, not a disease by itself. Your doctor will try to figure out what's behind it. (Photo Credit: iStock/Getty Images) If your doctor ...

Vertigo can be a symptom of BPPV or many other health problems. Getting a diagnosis can help you treat the cause of the ...

Look out for symptoms like dry mouth, fatigue, dark-colored urine, and lightheadedness. Treating dehydration involves replacing lost fluids. You can work to prevent dehydration by making sure you ...