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Type 2 Diabetes: The More Exercise, the Better

Longer Lives, Healthier Hearts Seen With Higher Activity Levels
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March 25, 2005 -- Revving up exercise and physical activity could save the hearts and lives of people with type 2 diabetes.

Regular moderate physical activity is recommended for everyone, whether they have diabetes or not. Now, a new study spells out the benefits for people with type 2 diabetes.

"[Heart disease] accounts for more than 75% of total mortality among patients with type 2 diabetes," write the study authors.

Over almost two decades, participants leading the most active lifestyles had lower death rates, including deaths from heart disease.

Being physically active benefited people with type 2 diabetes, protecting them from heart disease regardless of their age, body mass index (BMI), blood pressure, total cholesterol, education, and smoking.

The bottom line: "Regular physical activity can be recommended to patients with diabetes whether or not they have other known [heart disease] risk factors," write the authors.

Hearts at Risk

Heart disease is a leading cause of death for U.S. men and women. Having diabetes increases the risk of heart disease twofold in men and fourfold in women, says the American Diabetes Association.

Obesity, high blood pressure, and abnormal cholesterol levels -- which often accompany diabetes -- only aggravate heart disease trouble.

What does it take to beat those odds? There are many layers to living a healthier life. Setting genetics aside, much of it comes down to habits of daily life. The little decisions we make -- what to eat, whether to smoke, how we handle stress, and much more -- add up over time.

One of those choices -- how much regular physical activity we get -- makes a big difference, says the study. Regular physical activity can help turn underdogs into champs in the battle against heart disease.

The study participants were about 3,700 people with type 2 diabetes. All lived in Finland and were 25-74 years old at the study's start.

They described their level of physical activities, including daily chores, commuting habits, job-related activity, and exercise. Their height, weight, blood pressure, cholesterol, and smoking status were also noted.

Researchers grouped them into low, moderate, or high levels of physical activity and followed them for about 19 years.

During the follow-up period, 1,423 participants died. About 900 deaths were due to heart disease, including 202 deaths from stroke.

Those who reported moderate to high levels of physical activity had a significantly lower risk of death, including death from heart disease. That advantage was "independent of age, education, BMI, blood pressure, total cholesterol, and smoking," says the study.

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If the level is below 70 or you are experiencing symptoms such as shaking, sweating or difficulty thinking, you will need to raise the number immediately. A quick solution is to eat a few pieces of hard candy or 1 tablespoon of sugar or honey. Recheck your numbers again in 15 minutes to see if the number has gone up. If not, repeat the steps above or call your doctor.

People who experience hypoglycemia several times in a week should call their health care provider. It's important to monitor your levels each day so you can make sure your numbers are within the range. If you are pregnant always consult with your health care provider.

Congratulations on taking steps to manage your health.

However, it's important to continue to track your numbers so that you can make lifestyle changes if needed. If you are pregnant always consult with your physician.

Your level is high if this reading was taken before eating. Aim for 70-130 before meals and less than 180 two hours after meals.

Even if your number is high, it's not too late for you to take control of your health and lower your blood sugar.

One of the first steps is to monitor your levels each day. If you are pregnant always consult with your physician.

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