Please provide your email address to receive an email when new articles are posted on . Surveillance data show increased circulation of enterovirus D68 — or EV-D68 — over the summer in the United ...

Low blood pressure, or hypotension, occurs when blood flow through the arteries is lower than normal, often defined as readings below 90/60 mm Hg. For some, it causes no harm, but for others, it may ...

Dear Dr. Roach: Some months ago, my doctor used a QuantaFlo test to measure circulation in my legs. My result was low — 0.69 versus the normal range of 0.9-1.40. I was not surprised, as poor ...

DEAR DR. ROACH: Some months ago, my doctor used a QuantaFlo test to measure circulation in my legs. My result was low -- 0.69 versus the normal range of 0.9-1.40. I was not surprised, as poor ...

Patients who suffer from REM sleep behavior disorder have altered blood flow in the brain, which can lead to a lack of oxygen in the brain tissue. In the long term, this may cause symptoms of ...