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Top 5 Common Causes of Death for People Over 300 Pounds

Cardiovascular Diseases

The most common heart disease among Americans is hardening of the coronary arteries, a condition called atherosclerosis, but it's not the only heart-related disorder afflicting millions of Americans, even without weight factoring into the picture. Heart diseases are the leading cause of death among American adults.

Because carrying extra weight increases the stress on the body's organs and processes, including how much blood the body needs and how hard the cardiovascular system needs to work, morbid obesity increases the likelihood of developing heart disease by as much as six times compared to people who maintain a healthy weight. It also ups the risk of sudden death from heart disease-related complications, such as abnormal heart rhythms, by as much as 40 percent [source:].