Pros And Cons Of Caloric Restriction Theory

Humans undergo several stages during their lifetime including growth, development, reproduction and senescence. Senescence is defined as the deteriorative biological changes that organisms experience as they age eventually leading to death. These changes include low metabolism, a weak immune system, memory loss, poor vision and loss of hearing. Senescence begins in humans during their post-reproductive years. However, gerontology research has shown that individuals who reproduce late have longer life spans compared to individuals who reproduce early. Nonetheless, it does not indicate that senescence is inevitable. All organisms experience senescence,

With the advances in medical care, better health practices, improved nutrition, and other factors help people live longer. As long as older adults are following the correct measures, they can help counter the effects of aging because this stage here most people retire, they need to stay active and keep eating healthy foods. By not living actively can lead to his or her body shutting down, and may also lead to an early death. Many programs are available that older adults can join to

It is a known fact that all measures of physiological function decline in human aging. While genetics certainly play a role in the declining of physiological function with age, it can be argued that a fundamental part of aging can be reflected by chemical processes resulting in the appearance of harmful side products of the normal metabolism over time. When enzymes speed up reactions it is harder to slow them down. At the same time side reactions are constantly occurring and more and more unwanted side products are continuously being formed.

Normal aging is a gradual decline in certain processes (Gladyshev, & Gladyshev, 2016). The decline is not static and can be increased or reduced depending on choices made (Gladyshev, & Gladyshev, 2016). Changes commonly attributed to aging include declines in the five senses, most organ systems, appearance and brain function (Tully, 2016). The five senses include reduction in taste buds, smell, ability to hear high frequency sounds and speech discrimination, reduced ability to see in the dark and a reduction in tactile sensory (Tully, 2016). In the organ systems there is a reduction in the hearts response to work, bone mass, skin turgor, vital capacity in the lungs, renal and colon function (Tully, 2016). Most notable is the age-related changes

Individuals placed under caloric restriction were diabetes-free, which may be attributed to observed improvements in metabolic function (Colman et al., 2010, p.2). Caloric restriction showed an improvement in individuals’ ability to regulate both glucose and insulin (Coleman et al., 2010, p.2). In rhesus monkeys with caloric restrictions, there was a 50% decrease of cancer, specifically neoplasia (Coleman et al., 2010, p.3). There was a reduction by 50%, in the prevalence of cardiovascular disease symptoms such as vulvar endocardiosis, myocardial fibrosis, and cardiomyopathy in CR monkeys (Coleman et al., 2010, p.3). Caloric restrictions also markedly decreased age-associated brain atrophy in rhesus monkeys (Coleman et al., 2010, p.3). Grey matter in the subcortical

Although we are only in the beginning stages of this research one day it may be the case. The idea of slow aging has been studied by the University of Michigan, University of Texas, University of California in San Francisco and the Mayo Clinic (SOURCE). “Late in 2013, Google brought its trove of cash into the game, founding a spin-off called the California Life Company (known as Calico) to specialize in longevity research. Six months after Calico’s charter was announced, Craig Venter, the biotech entrepreneur who in the 1990s conducted a dramatic race against government laboratories to sequence the human genome, also founded a start-up that seeks ways to slow aging” (Easterbrook, 2015). Besides the moral and ethical argument of living forever, there also is a major societal impact. “Longer life has obvious appeal, but it entails societal risks. Politics may come to be dominated by the old, who might vote themselves ever more generous benefits for which the young must pay. Social Security and private pensions could be burdened well beyond what current actuarial tables suggest. If longer life expectancy simply leads to more years in which pensioners are disabled and demand expensive services, health-care costs may balloon as never before, while other social needs go unmet” (Easterbrook, 2014). Living forever will increase the population and may lead to food shortages, not enough

The author is a physiologist and obesity theorist at the Nutrition and Obesity Research Center, the University of Alabama at Birmingham. Adults with children would be the targeted audience of this web publication. The author, who was once a student working in labs, discusses a study and his observations when working with mice; then decides to begin his own experiments to further his evidence in proving why we can’t blame obesity on our genes. The experiment that Edward Archer conducted was in 2014 and showed when pregnant women are physically active; the increased energy demands redirect nutrients to her muscles and away from the fetus. Therefore, showing the answer was a combination of a mother’s body composition and physical activity

This theory is called the Cellular Aging where “the cumulative effect of stress and toxins, [are] causing first cellular damage and eventually the death of cells” (Berger 690). Fortunately, these causes of aging can be modified through eating foods rich in antioxidants to reduce the damage created by free radicals, and practicing mental fitness to keep the brain sharp. Calorie-Restriction, the method of "limiting dietary energy intake . . . while consuming sufficient quantities of vitamins minerals and other important nutrients . . . [can also slow cellular aging]" (Berger 691). However, Berger states that such method does not work for everyone because the specifics of diet are crucial. Restricted-diet might help other creatures, but it doesn’t guarantee that it will slow down the human aging

why and how we age, and how to possibly slow the aging process. As we age, innumerable

Aging is actually the slowing process of cells: using less and less energy or entropy. As we age, our cells don’t regenerate as quickly as they used to. We slow down, our internal systems slow down and we just don’t generate the heat and energy of before. Entropy will envelope our closed system (cell) and it will just not produce as it should.

As we age, our bodies gradually undergo irreversible physiological and psychological changes from decrease in bone and muscle mass, lung capacity and heart rate to inhibition of cognition and neuro-motor function. However, the speed of the aging processes depends on the person’s genetic predisposition to such diseases as cancer, diabetes and hypertension, the dietary habits and the lifestyle, and also on existence of comorbidities, such as arthritis, osteoporosis, cardio-pulmonary and autoimmune pathologies (McPherson &Wister, 2014). Speaking about my own perspectives on aging, I think I have good chances to age well: my heredity is not burdened with any serious illnesses, I adhere to a relatively healthy lifestyle and my cognition is constantly

There are some biological theories of aging that are important to look at especially when dealing with dementia. One of them is the cellular aging theory,

One of my references focused on the idea of global aging, the expansion of living longer as an adult older than 60 years of age, every year at a rapid rate. It highlights the theory on how prolonged our elders have increased life expansion ever since the 1900s. According to the US Government's Administration on Aging, if this expansion of life continues by the year 2050, the percentage of older growing adults is expected to rise 25%. They were able to observe this increase since the 1900s using a longitudinal research method. The increase of lifespan in older adults could have bene modified by technology, education, and health. Technology is an example of how much we have discovered new scientific knowledge in our industry. Christina admitted

In this week’s assignment, I’ve learned several things about how aging affects you physically and mentally.  With my personal growth, this week’s assignment it made me realize why we age and we get older. It is a mystery and there are many theories about how we age.  This expanded my knowledge because it forced me to look into why our bodies and minds age.  I did not know about the theories of aging and how we age, this a new concept and something I did not have an understanding about.  I believed it was the way life evolved. You’re born as an infant that develops into a young person that matures into an adult. The most valuable lesson I’ve learned, there are four theories of aging. The theories are 1. Oxidative stress - the body inability

Aging is the process of becoming older, as we age, multiple mutations occur that concern all the processes of aging well as it compromising a number of different genes. There are many theories of biological aging, such as the Cellular Aging Theory, Immunological Theory, and the Wear and Tear Theory. The Cellular Aging theory describes the process of aging in which cells slow their number of replication, thus giving each species a “biological clock that determines its maximum life span” and how quickly one 's health will deteriorate(Hooyman, 42). After a certain number of years, each cell which follows an apparent biological clock starts to replicate itself less, thus the specific individual or species slowly deteriorates. This theory gives