Possible causes of low blood pressure, or hypotension, range from dehydration to a heart condition. Drinking more water may help, but some people will need medication. Changing dietary habits may ...

This article explains what sleep apnea is and its impact on blood oxygen levels. It also describes the causes, symptoms, and diagnosis of obstructive sleep apnea and explores other possible causes ...

What are the most common causes of anxiety? Anxiety is a response to uncertainty and danger, and the trigger can be almost anything, or nothing in particular, just a generalized, vague sense of ...

Vertigo is a sensation of spinning and feeling off balance and dizzy. The causes also differ. Dizziness can result from a drop in blood pressure, medications you take, a vision problem ...

Dizziness has many possible causes, which may relate to a person’s external environment, the medications they take, or an underlying condition. Dizziness refers to a range of sensations ...

Chills have many possible causes, including health conditions, being in a cold environment, and a reaction to medications. No matter the cause, chills serve one purpose: to raise your core body ...

Causes of neurally mediated hypotension include: standing in one position for a long time (children experience this form of hypotension more often than adults) having a strong emotional response ...

What are the most common causes of depression? Studies consistently show that depression is most associated with the number of stressors experienced in life, and the effect is cumulative—the ...

Mostly I was shocked to learn how little we know about its causes. But I also discovered that we’re now on the cusp of a revolution, one that is already transforming how we think about — and ...

It refers specifically to the amount of urine excreted daily, not the frequency of bathroom trips. Polyuria is usually a symptom of other illnesses. Common causes include diabetes, kidney disease, and ...