Healthy Aging and Eating

“Making a plan to eat healthy can keep you healthy and active for longer.” National Institute on Health

“Aging—not cancer or heart disease—is the world’s leading cause of death and suffering. In spite of this, we accept the aging process as inevitable”, writes Dr. Andrew Steel, longevity expert and author of “Ageless: The new science of getting older without getting old“.

Dr. Steel suggest a list of proven life-extenders, such as don’t smoke, exercise, get vaccinated, take care of your teeth.

Strauss Zelnick, author of Becoming Ageless, and who successfully rejuvenated his metabolic health believes that, “You can eat to be younger.” He implores his readers to focus on what He calls “Forever Fuel.” He suggests that you do not have to forego eating your favorite foods; you’re just getting the best versions of them.

Unlimited Foods—Lean Protein, Salads, and Vegetables—eat as much as you want. I love bison, light tuna, chicken, eggs, grass-fed beef.
Limited Foods—Some fruits and dried fruits, nuts, and cheese—in moderation.
Highly restricted foods—no processed foods, fried foods, or added sugars. Processed foods account for 70% of the calories that Americans take in. They don’t just make you fat; they age you.

While humans wither and become frail after a mere seven or so decades, capturing the trait known as ‘negligible senescence ‘ has become the holy grail of aging research. A 2015 study, published by the Mayo Clinic, found that using a combination of existing drugs reversed a number of signs of aging, including improving heart function”, according to the Guardian.

Dr. Sanjay Gupta, Chief Medical Correspondent for CNN, adds that, “During medical school we were taught that aging is a natural process and that people can simply die of old age. The thinking was that age wasn’t just a turning of the clock but an accumulation of mutations, cancer, arthritis, heart disease and dementia. Have you ever wondered, however, if it was possible to address those diseases not just individually, but collectively, by addressing the underlying process of aging itself.”

The role of carbs and added sugars

When you have sugar molecules in your system, they bombard the body’s cells like a meteor shower—glomming onto fats and proteins in a process known as glycation. This forms advanced glycation end products (AGEs), which cause protein fibers to become stiff and malformed. The connective-tissue damage and chronic inflammation resulting from sustained high blood sugar can lead to debilitating conditions, such as cataracts, Alzheimer’s, vascular tightening, and diseases of the pancreas and liver.

From a dietary standpoint, forswearing white sugar, high-fructose corn syrup—which studies have shown increases the rate of glycation by 10 times, compared with glucose—and simple carbs is a no-brainer. “Even though all carbs get converted into sugar, when you eat the good ones, like brown rice and whole-grain bread, you get less glucose, and you get it more slowly,” Karcher says.

Carbohydrates (Carbs) — like fiber, starches, and sugars — are important for your health. They are your body’s main source of energy and are a basic nutrient your body turns into glucose, or blood sugar, to make energy for your body to work. But eating too many carbs can cause your body to store the excess as fat.

The fruit, vegetables, dairy, and grain food groups all contain carbohydrates. Sweeteners like sugar, honey, and syrup and foods with added sugars like candy, soft drinks, and cookies also contain carbohydrates.

You should try to get most of your carbohydrates from fruits, vegetables, dairy, and whole grains rather than added sugars or refined grains.

Nutrients like protein, carbohydrates, and fats can help you stay healthy as you age.

Many foods with carbohydrates also supply fiber. Fiber is a type of carbohydrate that your body cannot digest. It is found in many foods that come from plants, including fruits, vegetables, nuts, seeds, beans, and whole grains. Eating food with fiber can help prevent stomach or intestinal problems, such as constipation. It might also help lower cholesterol and blood sugar.

A very low-carb diet, like keto, triggers your body into nutritional ketosis. This stored energy is released in the form of chemicals called ketones. Your liver starts to make ketones — a fuel that kicks in when your body uses up glucose and glycogen, and doesn’t have enough sugar to run on. It does this by breaking down the energy reserves stored in fat.

These chemicals, ketones, help cells—especially brain cells—keep working at full capacity. Some researchers think that because ketones are a more efficient energy source than glucose, they may protect against aging-related decline in the central nervous system that might cause dementia and other disorders.

Ketones also may inhibit the development of cancer because malignant cells cannot effectively obtain energy from ketones. In addition, studies show that ketones may help protect against inflammatory diseases such as arthritis. Ketones also reduce the level of insulin in the blood, which could protect against type 2 diabetes.

But too many ketones in the blood can have harmful health effects.

While there’s insufficient evidence to recommend any type of calorie-restriction or fasting diet. A lot more needs to be learned about their effectiveness and safety, especially in older adults. In the meanwhile, there’s plenty of evidence for other actions you can take to stay healthy as you age:

Eat a balanced diet with nutritious food in moderate amounts. Avoid or limit consuming refined sugars and carbs, and processed foods.
Engage in regular physical exercise (150 minutes per week).
Drink alcohol in moderation or not at all.
Don’t smoke or take illegal drugs.
Maintain an active social lifestyle and build close relationships.
Get a good night’s sleep.

Finally, older adults may have different vitamin and mineral needs than younger adults. Find recommended amounts and information on calcium, sodium, vitamin D, and more.

“People are living longer, staying healthier longer and accomplishing things late in life that once seemed possible only at younger ages.” –David Brooks, The New York Times

The American Heart Association recommends no more than six teaspoons of added sugar a day. The sugar found in whole foods like fruits and veggies, says Kimber Stanhope, PhD, a nutritional biologist at the University of California, Davis. “These naturally occurring sugars come packaged with good-for-you vitamins, minerals, fiber, and other nutrients.” Eliminating or reducing your intake of added sugar and carbs can result in you gaining some significant healthy aging benefits, according to the American Heart Association.

References:

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