MONDAY, July 14 (HealthDay News) -- Maintaining proper blood sugar levels after heart surgery is essential, whether one is or isn't a diabetic, a new study shows.

The British report, published in Circulation, shows that poor blood sugar control in post-heart surgery patients is linked to a fourfold increase in death and major complications, such as heart attack, neurological, kidney, lung and gastrointestinal injury.

FRIDAY, June 20 (HealthDay News) -- New research shows that people with chronically high blood pressure in the blood vessels of the lungs and low serum sodium levels have a very high mortality rate.

Low blood sodium -- called hyponatremia, or HN -- is a known indicator of advanced left heart failure, but the new study from the University of Pennsylvania researchers now connects it with right heart failure in patients with pulmonary arterial hypertension (PAH).

Apparently it can. Pollution, smoking, poverty and pollen counts all matter when it comes to asthma.

This is why, no matter how we feel about global warming, a healthy planet earth is vital to our own human health. We should all consider ourselves automatic environmentalists.

Here is the list of the worst cities in the country for asthma and some of the reasons why.

http://www.webmd.com/asthma/slideshow-10...

Did your city make the list? What are you doing to make your city or town a healthier place to live?