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Published on: May 22, 2014
by Timi Gustafson for Kent Reporter:
Healthy aging entails multiple aspects, among them eating right, exercising regularly, and preventing mental decline. Achieving some of these may be easier than others. No matter how well we do our part, nature has a say in all of them, too.
While the outward signs of aging are usually quite apparent, the inner transformations our bodies go through as we grow older – e.g. slowing metabolism, diminishing muscle mass, thinning organ tissue, decreasing bone density – are less evident. Yet, these changes are very real and deserve close attention. Thankfully, their impact on our overall health and wellbeing can be mitigated with appropriate adjustments in diet and lifestyle.
Meeting altering health needs is not always easy for older adults, though. For example, due to reduced metabolic rates and sedentary behavior, most seniors use up significantly fewer calories than they did in their midlife. At the same time, the risk of malnutrition grows because of a lessening ability to absorb important nutrients, dehydration, lack of appetite, loss of taste, difficulty with chewing, and so forth. So, while reduced food intake is quite normal, it is crucial not to confuse the need for fewer calories with the need for fewer nutrients.
Energy requirements decrease with every decade, explains Dr. Connie Bales, a professor of medicine at Duke University Medical Center and associate director of the Geriatric Research, Education, and Clinical Center at Durham VA Medical Center to WebMD. But, while eating less overall, the challenge is to eat more nutrient-rich foods, which, calorie for calorie, pack more of a nutritional punch, she says.
Although maintaining healthy eating habits is recommended at any stage in life, it becomes even more instrumental in later years to prevent diet and lifestyle-related illnesses whose effects only worsen with age, including obesity, heart disease, high blood pressure, and type-2 diabetes as well as mental decline, for as much and as long as possible.
The fact is that, as we grow older, our body requires the same amount of protein, vitamins, and minerals as it always has, if not more, says Dr. Bales. For instance, after the age of 50, the ability to absorb essential nutrients like vitamin B12 or vitamin D gradually diminishes due to reduced acidity in the stomach, which is needed to break them down from food. The solution is to add to one’s diet food sources that are especially rich in these components.
And it’s not just the digestive system that weakens. Aging skin is less able to convert vitamin D from sunlight, which also affects the absorption of calcium, a necessary nutrient to prevent bone loss. For these reasons and others, older adults are well advised to take daily multi-vitamin and mineral supplements, she says.
The danger of dehydration is another problem that gets worse with age. Older people tend to drink less not because they don’t need as many fluids but because they don’t sense thirst as well as they used to. Regulatory processes are just not as sharp as they used to be in younger years, says Dr. Bales. So, an older person may not feel thirsty, although he or she may already be borderline dehydrated. The solution is to make it a habit of drinking about six 8-ounce glasses of water every day, regardless of thirst sensation.
One of the greatest risks of malnutrition among the elderly stems from lack of access to healthy food sources. It may be too hard to get to a grocery store, especially when driving is no longer possible. It may be that cooking facilities are missing or too cumbersome to operate. It may be loss of appetite, forgetfulness, or lack of motivation due to loneliness or depression. But skipping meals for whatever reason has negative health implications and may backfire in terms of serious nutritional damages, Dr. Bale warns.
The best solution would be not to eat alone but to enjoy the company of family and friends while preparing and eating meals. That way, loved ones can also keep an eye on an older person’s eating regimen. Services like Meals on Wheels and the likes can be useful to fill in some of the gaps. Regrettably, for too many people, aging goes hand in hand with progressive social separation and isolation, which can have far-reaching negative consequences on multiple levels. It doesn’t have to be this way.
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