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Issue Number 6 Tuesday, May 22, 2001


Don Hall DrPH, CHES
Chairman Wellsource, Inc.


Nutrition Information
Weight Management
Food

More American Children Are Overweight

The latest findings from CDC's National Health and Nutrition Examination Survey show that more and more children and teens are overweight, continuing the trend documented for the past 20 years. The percent of overweight children, ages 6-11, is up from 11-13% since the last survey. The percent of overweight teens is up from 11-14%. Compared to 20 years ago, the rate of overweight has more than doubled. This alarming trend continues to get worse year by year.

Dr. Jeffery Koplan, director for the Centers for Disease Control and Prevention, calls this disturbing trend an "epidemic of overweight and obesity that must be addressed so that they can lead healthier lives." We need to help our young people develop healthier lifestyle, particularly better eating habits and more physical activity.

Source: CDC Press Release, March 12, 2001

Stress and Coping
Mental Health

Mood and Overeating

What causes overweight? Numerous changes in our society contribute to this problem including the wide availability of high caloric density foods, larger portion sizes, more highly refined foods (high glycemic index foods), a low consumption of fruits and vegetables (low caloric density foods), and reduced levels of physical activity. A newly recognized cause of obesity in many people is their state of mental health. In a recent article in JAMA the authors point out that as many as one in four people who see their doctor about a weight problem are suffering from a mental health problem, usually depression. In these people, obesity may be seen as a symptom.

Weight loss programs often advertise that if you lose weight you will "feel better." Many overweight people need to start feeling better (treating the depression) before they can lose weight. Thus a good weight loss program should include a mental health component along with nutrition education and increased physical activity.

Source: JAMA July 19, 2000; 284(3):291-93

Detecting and Treating Depression

Depression is a common ailment that is second only to high blood pressure as a chronic condition encountered in medical practice. Estimates are that as many as 1 in 10 patients who visit their doctor has major depression. Most cases, however, go unrecognized or untreated. Depression affects the whole person and when untreated it leads to functional impairment physically (contributing to many illnesses), mentally, and socially.

Depression contributes significantly to loss of productivity being one of the leading causes of lost time from work, and is a leading cause of health claims. A World Health Organization study showed mental health problems (largely depression) to be a greater cause of lost work time than physical illness. Depression also contributes significantly to increased mortality from suicide, drugs, alcoholism, and heart disease.

The good news, however, is that depression is a treatable illness if appropriate therapy is provided. Therapy can include antidepressant medication, regular visits with a psychiatrist or psychologist, or both. There are often other health problems associated with depression including heart disease, anxiety, and substance abuse, that respond favorably from treatment.

Depression is usually a continuum of illness that varies in severity and duration. Major depression is defined by depressed mood or loss of interest in nearly all activities (or both) for at least two weeks, accompanied by at least 3 or 4 of the following symptoms:

  • Insomnia or excessive sleep

  • Feelings of worthlessness or excessive guilt

  • Fatigue or loss of energy

  • Diminished ability to think or concentrate

  • Substantial change in appetite or weight

  • Increased agitation or lethargy

  • Recurrent thoughts of death or suicide

Anyone having symptoms of depression should see their doctor. The doctor will first check to see if these symptoms are related to some other disease or hormonal problem. If not, further assessment for depression should be made and appropriate treatment prescribed.

Source: The New England Journal of Medicine, Dec. 28, 2000; 343(26):1942-50

Proactive Health Care
Preventing Disease

Diabetes Rates Rise Six Percent in One Year

Diabetes rates rose a striking 6% in 1999, the last year for which the CDC has complete national statistics. Since 1991, the incidence of diabetes has increased by 57%. This makes diabetes one of our country's fastest growing health problems. Currently more than 16 million Americans have diabetes. This results in estimated health care cost for diabetes alone of $98 billion dollars a year. "This dramatic new evidence signals the unfolding of an epidemic in the United States," says Dr. Jeffrey Koplan, director of CDC. "With obesity on the rise, we can expect diabetes rates to increase sharply as a result. If these dangerous trends continue at the current rate, the impact on our nation's health and medical care costs in future years will be overwhelming."

Diabetes is now the seventh leading cause of death in this country and a major contributor to several serious health problems including heart disease, stroke, blindness, high blood pressure, kidney disease and dialysis, and amputations. Approximately 800,000 new cases are diagnosed each year and about another 240,000 Americans develop diabetes but aren't diagnosed.

If we expect to control this disease, the major effort must be primary prevention. The good news is that "healthy behavior such as controlling weight through nutrition and physical activity can help ease the burden of diabetes and may actually prevent its onset," said Dr. Frank Vinicor, director of CDC's diabetes program.

Source: CDC Press Release, Jan. 24, 2001.

What specifically can we do to prevent diabetes (or help control it)? Here is a partial list of practical steps to lower your risk:

  • If overweight, lose weight. Even a loss of 10-15 pounds can help greatly.

  • Eat less refined and processed foods. The nurses health study (80,000 nurses studied for 14+ years) showed that foods rich in dietary fiber (whole grains, fresh fruits and vegetables, legumes) protected against developing diabetes. Foods linked to getting diabetes included soda pop, white bread, white rice, and French fried potatoes.

  • Get regular physical activity, 30+ minutes daily. Physical activity works much like insulin, lowering blood sugar levels, and when done regularly helps the body be less resistant to insulin (an underlying problem in causing diabetes). People who already have diabetes also benefit from exercise but they need to get specific guidance from their doctors. Some studies show that diabetics who exercise have half the risk of early mortality than diabetics who don't exercise.

Cholesterol Levels and Longevity

Does it matter what your cholesterol levels are? It does if you want to live a long, full life. Recently, three large prospective studies were reviewed, looking at cholesterol levels and their affect on longevity. The Chicago Heart Association study checked cholesterol levels in 11,017 younger men, aged 18-39. Then they divided the men into two groups based on their cholesterol levels. After 22 years of follow-up, those men with cholesterols less than 200 lived 6.1 years longer than those with cholesterol levels of 240 or higher.

The next large group, the Peoples Gas Company study, checked cholesterol levels in 69,205 men aged 35-39. After 34 years of study they found that those men with cholesterol levels less than 200 lived 8.7 years longer than those with cholesterols of 240 or higher.

The third group was the MRFIT study on 69,205 men for 16 years. Using the same cholesterol level criteria, those with lower levels (less than 200) lived 3.8 years longer than those with high cholesterol levels (240+).

These are remarkable differences in increased longevity, 4-9 years of added life. This is very comparable to the affects of smoking on longevity. A simple cholesterol blood test remains one of the best biomarkers or predictors of life expectancy.

The bottom line. Do you know what your cholesterol level is? If not, get it checked! If it's over 200, take action immediately to bring it down. The earlier in life you start, the better your chances for a long, healthy life. In these same studies, people who had cholesterol levels around 160 (an ideal level, recommended for anyone with existing heart disease or diabetes) reduced their risk even further (cut in half or more compared to men with cholesterol levels between 160 and 199).

Reference: JAMA 2000; 284(3):311-318.

Physical Activity
Exercise and Health

Exercise Enhances Quality of Sleep

Getting a good night's sleep is a wonderful blessing which many people never appreciate until they start having sleep difficulties. Sleep complaints is one of the most common health difficulties encountered by middle-aged and older adults. Sleep problems are often associated with depression, periods of emotional turmoil, irregular schedules, noisy environments, and other common problems. Older adults take sedative-hypnotic prescriptions to improve sleep at a rate three time more than other age groups, and usually on a long-term basis. The side effects can cause confusion, falls, extended drowsiness, agitation, and potentially harmful interactions with other medications. These problems underscore the importance of identifying non drug alternatives for enhancing quality of sleep among older adults.

Stanford, Emory, and the University of Oklahoma collaborated on a study looking at sleep disturbance and physical activity. They recruited 43 people, aged 50-76 who were in good health but sedentary and bothered by sleep disturbance. They randomly divided the group into a control group (no change but reported quality of sleep daily) and a group that started getting regular, moderate-intensity exercise 30-40 minutes daily. They did primarily low-impact aerobics and walking at 60-70% of heart rate reserve for a period of 16 weeks. Twice a week they exercised together in a class. At least 2 other days per week they exercised on their own.

Both groups kept records of their quality of sleep including getting to sleep at night, waking up in the night, number of hours slept, and waking up refreshed in the morning. After 16 weeks, the exercisers showed significant improvement in their quality of sleep scores. They cut the average time to fall asleep in half (11.5 minutes faster per night), and added 42 minutes of actual sleep per night. The exercisers also saw a reduction in the number of naps during the day. The control group saw no significant change.

The researchers concluded that improvements in sleep among exercisers relative to controls were noted for:

  • General sleep quality

  • Time required to get to sleep

  • Sleep duration

  • Feeling rested on awakening in the morning

They also pointed out that it takes more than 8 weeks of regular activity to begin seeing improvements in sleep. There were no between group differences at 8 weeks into the study. The bottom line is, if you are having difficulty sleeping, and are sedentary, a nice 30-40 minute walk daily may do wonders to improve your quality of sleep on your overall well-being.

Reference: JAMA, Jan. 1, 1997; 277;32-37.

Physical Activity Trends

CDC tracks key health practices regularly to see trends in the health of the nation. In the past 8 years, the level of physical activity has changed very little. Here is their latest data.

  • Only 25.4% of people in the US get the minimum recommended amount of physical activity (30+ minutes of moderate-intensity activities, 5 or more days per week).

  • 28.7% get no physical activity.

Interesting Facts
Health Stats

Heart Disease Decline Slows

Heart disease continues to be our nations leading cause of death. Currently there are about 12 million people in the US that have coronary heart disease1. Each year about 1.1 million people will have a major heart event; 460,000 of these will die from their heart attack, 220,000 or 1/5 will die suddenly before medical care is available. This stresses the need for prevention as the major strategy against heart disease in our nation.

In past decades heart disease rates have been steadily falling. In the last few years this trend has been slowing. In the past 10 years little improvement has occurred in preventive behaviors linked to heart disease such as adequate physical activity, smoking cessation, and control of high blood pressure. During the same time the prevalence of obesity and diabetes has been climbing.

CDC is attempting to change this trend by funding 25 state-based programs designed to reduce the first heart attack. They are targeting five major preventive actions: reducing high blood pressure and high cholesterol, reducing cigarette smoking, increasing physical activity, and improving eating habits. They feel these preventive actions can have the greatest impact on reducing risk.

A new report on the health of American workers gives further evidence of this problem. They found heart disease to be the strongest risk factor for reduced work productivity. Workers under age 55 who have heart disease are eight times more likely to experience reduced work productivity -- the ability to do their job -- than those workers without heart problems. Workers with diabetes are six times more likely to have work limitations, and workers with arthritis are four times higher. This report estimates that absenteeism due to health-related causes will result in a least $65 billion in lost wages annually.

Other findings from The Health Status of the United States Workforce2 include:

  • 37 million American workers have high cholesterol. 67% of these are not adequately controlled. 41% of those with high cholesterol are not even aware they have a problem.

  • 18 million workers have high blood pressure. 78% of these are not adequately controlled. 35% are not aware they have high blood pressure.

  • 8% of workers aged 18-39 screen positive for major depression but only 12% of these workers are being treated with antidepressant medications. 2% of employed men and 5% of employed women have attempted suicide.

This report estimates that high cholesterol and high blood pressure is responsible for 90,000 unnecessary heart attacks in American workers each year. Smoking is responsible for another 74,000 unnecessary heart attacks.

Here are major challenges and opportunities to improve the health and productivity of our American workforce. Worksite cholesterol and blood pressure screening and education programs are a major need that leads to nutrition and fitness interventions.

Screening for depression is another opportunity to refer people to get adequate treatment and help. A large worksite health study recently compared health risks with medical claims and found depression to be the best risk indicator for high medical claims.

References:
1. JAMA March 14, 2001; 285:1287-88
2. NHANES III Study report, "The Health Status of the U.S. Workforce"

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The Wellsource Online Wellness Center is Here!

Checked out the Wellsource Online Wellness Center (OWC) yet? You are invited to visit, look around, and let us know what you think. Our OWC provides health, wellness, and disease prevention information, tests and quizzes, and a chance for you to ask us questions. More than 20 health areas are covered-everything from Asthma Management to Women's Health. Just click on http://owcwww.wellsource.com/demo/ or copy the URL and paste it into your browser. The Beta site won't be available for long, so pay us a visit now.

Call us at 1.800.533.9355, and ask how the Online Wellness Center can work with your current wellness system.

Wellsource Inc.
15431 SE 82nd Dr.
Portland, OR 97015
(503) 656-7446

About Making Healthy Choices

Making Healthy Choices is written by Don Hall, DrPH, CHES president of Wellsource Inc. with contribution from associated health professionals. It is available as a resource to Wellsource clients and other select organizations involved in promoting health.

Content is general health information from evidence based research. Its purpose is not to treat disease but to promote healthy lifestyles. Persons with health problems should consult their physician for specific guidance.

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