The Cutting-Edge Science of Slowing Aging Breaking the Grip of Time
Over the last century, vast improvements in public health have led to nearly doubling the average human lifespan. Now, researchers are targeting even greater gains to slow the aging process and prevent dementia. At Columbia University, one research team is using animal models to explore techniques to change brain activity in areas that coordinate circadian rhythms. By improving sleep, scientists believe they may be able to reduce the risk of dementia, cardiovascular disease, and cancer. Other researchers are analyzing lab data from patients’ medical records to calculate biological age and assess its value in predicting health risks and improving care planning. At Yale University, scientists are studying rodents that live long lives to determine the metabolites that may slow the aging process. Researchers are also looking at how to slow the organ damage caused by inflammation or changes in blood supply, which are common problems in old age. New technologies such as genome sequencing and machine learning have helped spur advances in aging research. At the Buck Institute for Research
on Aging near Novato, California, scientists are analyzing large data sets from fruit flies and humans to identify the central metabolites that shape the lifespan in both species. They have identified one metabolite, threonine, as a potential therapeutic for interventions in aging. Artificial intelligence and systems biology enabled these researchers to skip testing mice, which is usually essential in determining whether discoveries apply to humans. Aging research has evolved in both scope and purpose. The latest efforts bring together scientists from many fields who have seldom collaborated. The initiatives reflect a growing awareness that disease is not necessarily part of the aging process. Rather than simply increasing people’s lifespan, scientists focus on improving the “health span,” or years lived free of disability and disease. The goal is to keep older people around longer and maximize seniors’ natural generativity — the natural human desire at later stages of life to improve the world and support younger generations. Researchers also hope to reduce the burden of disease, as people over 65 are on track to outnumber those 18 and younger within the next decade.
As we age, the importance of maintaining a nourishing and nutritious diet grows. While most people would agree that daily binges of potato chips and cookies are not the best pathways to perfect health, some foods that traditionally get a bad rap possess hidden benefits for our minds and bodies when consumed in moderation. If your current eating habits are getting stale, here are three foods that could add fun and freshness to your shopping list. In Defense of Dark Chocolate In addition to satisfying your sweet tooth, dark chocolate can contribute to better health when eaten responsibly. Certain bioactive compounds in high-quality dark chocolate have been shown to help lower blood pressure and reduce the risk of heart disease. At the same time, this decadent, antioxidant-rich delight also boasts iron, fiber, copper, and other helpful minerals. Of course, dark chocolate is also a source of sugar and high calories, so it should be enjoyed in moderation. Dairy Deserves Better If your diet allows for the consumption of dairy products, they can provide your body with a much-needed boost. While saturated fat should always be considered when deciding whether you should enjoy dairy, the vitamin D and calcium it contains can help preserve bone strength. Additionally, consuming dairy can benefit seniors whose diets are low in protein. THE BRILLIANT BENEFITS OF ‘BAD’ FOOD
Eggs for Enhancement Eggs are another oft-maligned food that warrants a second look. Although their potential effect on cholesterol is debatable, they are fantastic sources of protein, essential vitamins, and minerals. Consuming eggs may also help our eyesight, as they contain antioxidants that have been shown to slow macular degeneration and better protect eyes from the damaging effects of UV rays. Of course, any dietary change should be made with your overall health and safety in mind. Always consult your physician before adding these or other foods to your diet.
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