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Why Do You Want to Be a Dietitian: Career Exploration
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Nutrition as an Important Aspect of Our Life: Physical & Mental Health
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Nutrition is the biochemical and physiological process by which an organism uses food to support its life.
Nutrition process includes ingestion, absorption, assimilation, biosynthesis, catabolism and excretion.
Human nutrition deals with the provision of essential nutrients from food that are necessary to support human life and good health. In humans, poor nutrition can cause deficiency-related diseases such as blindness, anemia, scurvy, preterm birth, stillbirth and cretinism, or nutrient excess health-threatening conditions such as obesity and metabolic syndrome. Undernutrition can lead to wasting in acute cases, and stunting of marasmus in chronic cases of malnutrition.
Supplements can never fully replace real foods. Unprocessed food is healthiest. Omega-3 fats are crucial and most people don’t get enough. There is no perfect diet for everyone.
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Importance of nutrition and health
Updated 30 June 2021
Subject Healthcare , Illness , Medicine
Topic Disease , Health Promotion , Nutrition
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Importance of Healthy Nutrition Essay
To stay alive, the human body requires proper nutrients. These nutrients are absorbed from the food we eat. The absorbed food will help the cells in the human body stay alive and function optimally.
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Nutrition is important to all human beings. One cannot survive without proper nutrition. However, nutrition is more important in certain stages of life than others (Wardlaw & Smith 2011). Nutrition is very important during childhood.
The reason for this is that children require more energy than adults. The macronutrients and micronutrients that the body needs are absorbed according to the body size. The smaller the body size the more nutrients the body will need. Children also have a higher growth rate.
Proper nutrition is also important to the elderly. This is due to the slow growth of their body cells. Proper nutrition is required to maintain normal cell growth and improve the rate of cell growth (Insel 2011). They also need proper nutrition to maintain good mental health, immunological health and cardiovascular health.
The lifestyle of most people will affect them in future. The food we eat today will affect our health in future. The consumption of healthy foods minimizes the chance of contracting certain diseases (Wardlaw & Smith 2011). These diseases include; cancer, arthritis and stroke. Obesity is also among the diseases that can be avoided if we eat healthy.
Recent research has shown that more people are at risk of suffering from these diseases due to lack of proper nutrition. Their lifestyles have forced them to consume fatty foods commonly referred to as junk food. Eating healthy food will help boost the body’s immune system while reducing the risk of trauma. The ability of the body to grow and operate optimally depends on the food we eat.
Recent findings have revealed that obesity is the most common health condition affecting young adults. The number of overweight children has been growing day by day. The reason behind this is poor nutrition. Change in lifestyle has also been found to be the main cause of this problem (Insel 2011). Most parents are now fully employed. This leaves them with no option but to take their children to fast food joints to have meals. Fast food joints are expanding daily and relocating to more strategic places.
The government has an important role to play in order to control this menace. They need to come up with various legislations that will help put a stop to this worrying trend. A good example would be banning all fast food joints within a certain radius from educational institutions (Wardlaw & Smith 2011). This will make it harder for children to access these joints.
The government should also encourage awareness campaigns that will help in the fight against obesity. These campaigns will focus more on sensitizing parents and children on the need for proper nutrition. The effects of poor nutrition should also be addressed during these campaigns. With time, this will raise the awareness levels and help in the fight against obesity (Insel 2011).
The recent statistics leaves the government with no choice. The productive population of the society is slowly dying from health related diseases (Wardlaw & Smith 2011). These are the future leaders, employees and workers that will help grow the economy when the current leaders have retired. It is also the responsibility of the government to make sure that all citizens are healthy and protected from all health issues that would endanger their lives.
Insel, P. M. (2011). Nutrition . Sudbury, Mass.: Jones and Bartlett Publishers.
Wardlaw, G. M., & Smith, A. M. (2011). Contemporary nutrition . New York, NY: McGraw-Hill.
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IvyPanda. (2022, May 16). Importance of Healthy Nutrition. https://ivypanda.com/essays/importance-of-healthy-nutrition/
IvyPanda. (2022, May 16). Importance of Healthy Nutrition. Retrieved from https://ivypanda.com/essays/importance-of-healthy-nutrition/
"Importance of Healthy Nutrition." IvyPanda , 16 May 2022, ivypanda.com/essays/importance-of-healthy-nutrition/.
1. IvyPanda . "Importance of Healthy Nutrition." May 16, 2022. https://ivypanda.com/essays/importance-of-healthy-nutrition/.
IvyPanda . "Importance of Healthy Nutrition." May 16, 2022. https://ivypanda.com/essays/importance-of-healthy-nutrition/.
IvyPanda . 2022. "Importance of Healthy Nutrition." May 16, 2022. https://ivypanda.com/essays/importance-of-healthy-nutrition/.
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Health, Fitness and Nutrition
18 Jul 2022
Academic level: College
Paper type: Essay (Any Type)
- Nutrition Essays
Health is the state of complete mental, physical and psychological well-being of an individual (WHO 2010). Although it is considered by many to mean being free from diseases, health is a multidimensional concept that must incorporate one’s mental, physical and social condition. Nutrition, exercise, and heredity form the basis of one’s health. According to Bhutta, et al. (2013), nutrition, exercise and heredity are the three components of fitness that must be emphasized while dealing with health issues. These three elements are essential in determining one’s health.
Nutrition is the process of digestion and absorption of the foods to be used by the body for growth and cells replacement. It is determined by the combination of the seven vital nutrients that form part of the nutritious food. A well nutritious food must contain all the seven nutrients which include carbohydrates, proteins, fats, vitamin, minerals, water, and fiber. In performing daily human activities, these nutrients are required by the body on a regular basis. Also, the body requires energy to be able to function correctly. These combined firm the essentials for living a healthy and active life. According to WHO, an average man needs to consume 1800 calories in a day, as compared to an average woman who is required to consume 1940 calories a day. Scientists argue that a diet should contain 55% to 65% of the carbohydrates. This percentage of the carbohydrates is necessary for the supply of energy in our bodies.
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Proteins primary function in the body is to aid in the formation of the body structures such as hormones, membranes, and tissues. According to nutritionists, an estimate of 46 grams of proteins is required by the body on a daily basis to facilitate the standard body functions. Although taking too many fats is not recommended by nutritionists, a considerable amount is vital in providing energy to the body especially when at rest. The recommended rate of the fats consumption is at 30%. Efficient chemical reaction in the body cells is the role attributed to vitamins in the body. The main vitamins in our foods include vitamins A, B12, A and D. vitamin A is mainly found in greens, bell papers and the tropical fruits that we eat in our daily lives. Vitamins B12 and D are mostly found in eggs, fish, and liver which I don’t take so frequently. Minerals are essential in regulating the functions of the body and growth. The main minerals that our bodies needed include Calcium, potassium, and sodium. Sodium is found in salts thus making it rarely deficient because salt is consumed by a more significant percentage of the population. Water is required by the body for metabolic activities and to facilitate other body reactions. The human body requires 6 to 8 glasses of water daily which I take.
Exercise is defined as any bodily activity that can enhance physical fitness and the overall body health. Understanding our fitness level is very important in determining the kind of an exercise that best suits us. Physical exercise has six elements that form the basis of a well-coordinated exercise. These components include aerobic capacity, body structure, body composition, balance, muscular flexibility, and strength. Aerobic capacity is one’s system ability to transport oxygen to the working muscles that require energy. The body structure is the overall looking of an individual regarding the arms, legs, and trunk. The third element of exercise is the body composition. It is defined as the ratio of the body fat to body mass. Balance make up is the fourth element of exercise. The balance makes up depends on the age as young people are more stable than the old. Muscular flexibility is necessary to allow full motion during exercise. Failure to use muscles and test them may lead to shortened inflexible muscles. In addition to being flexible, muscles need to be strong enough to exert external force and control the movement. Physical exercise is very essential in in maintaining a healthy body through flexibility of the muscles and burning of the excess fats
Hereditary is defined as the passing of certain characteristics genetically from one person to another. Parties play equal roles in creating hereditary from one generation to another. XXXXXXXX, XXXX, and XXXX XXXXXXXXXX all form the negative characteristics linked to the maternal side of the heredity. Poor XXXXX is health is very common in my family with my sister suffering. Despite the importance of knowing our likelihood of getting a disease, hereditary can be maintained by proper exercise and fitness. In summary, nutrition, exercise, and heredity are the three main elements that must be maintained to keep the body healthy and fit.
Bhutta, Z. A., Das, J. K., Rizvi, A., Gaffey, M. F., Walker, N., Horton, S., ... & Maternal and Child Nutrition Study Group. (2013). Evidence-based interventions for improvement of maternal and child nutrition: what can be done and at what cost?. The lancet , 382 (9890), 452-477.
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StudyBounty. (2022, July 18). Health, Fitness and Nutrition . https://studybounty.com/health-fitness-and-nutrition-essay
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Covid-19: a National and Global Public Health Issue
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Soviets Once Denied a Deadly Anthrax Lab Leak. U.S. Scientists Backed the Story.
The accident and a subsequent cover-up have renewed relevance as scientists search for the origins of Covid-19.
By Anton Troianovski
YEKATERINBURG, Russia — Patients with unexplained pneumonias started showing up at hospitals; within days, dozens were dead. The secret police seized doctors’ records and ordered them to keep silent. American spies picked up clues about a lab leak, but the local authorities had a more mundane explanation: contaminated meat.
It took more than a decade for the truth to come out.
In April and May 1979, at least 66 people died after airborne anthrax bacteria emerged from a military lab in the Soviet Union. But leading American scientists voiced confidence in the Soviets’ claim that the pathogen had jumped from animals to humans. Only after a full-fledged investigation in the 1990s did one of those scientists confirm the earlier suspicions: The accident in what is now the Russian Urals city of Yekaterinburg was a lab leak, one of the deadliest ever documented.
Nowadays, some of the victims’ graves appear abandoned, their names worn off their metal plates in the back of a cemetery on the outskirts of town, where they were buried in coffins with an agricultural disinfectant. But the story of the accident that took their lives, and the cover-up that hid it, has renewed relevance as scientists search for the origins of Covid-19.
It shows how an authoritarian government can successfully shape the narrative of a disease outbreak and how it can take years — and, perhaps, regime change — to get to the truth.
“Wild rumors do spread around every epidemic,” Joshua Lederberg , the Nobel-winning American biologist, wrote in a memo after a fact-finding trip to Moscow in 1986. “The current Soviet account is very likely to be true.”
Many scientists believe that the virus that caused the Covid-19 pandemic evolved in animals and jumped at some point to humans. But scientists are also calling for deeper investigation of the possibility of an accident at the Wuhan Institute of Virology.
There is also widespread concern that the Chinese government — which, like the Soviet government decades before it, dismisses the possibility of a lab leak — is not providing international investigators with access and data that could shed light on the pandemic’s origins.
“We all have a common interest in finding out if it was due to a laboratory accident,” Matthew Meselson, a Harvard biologist, said in an interview this month from Cambridge, Mass., referring to the coronavirus pandemic. “Maybe it was a kind of accident that our present guidelines don’t protect against adequately.”
Dr. Meselson, a biological warfare expert, moved into a spare bedroom in the home of a friend at the C.I.A. in 1980 to study classified intelligence suggesting that the Soviet anthrax outbreak could have been linked to a military facility nearby. Six years later, he wrote that the Soviet explanation of the epidemic’s natural origins was “plausible.” The evidence the Soviets provided was consistent, he said, with the theory that people had been stricken by intestinal anthrax that originated in contaminated bone meal used as animal feed.
Then, in 1992, after the Soviet Union collapsed, President Boris N. Yeltsin of Russia acknowledged “our military development was the cause” of the anthrax outbreak.
Dr. Meselson and his wife, the medical anthropologist Jeanne Guillemin , came to Yekaterinburg with other American experts for a painstaking study. They documented how a northeasterly wind on April 2, 1979, must have scattered as little as a few milligrams of anthrax spores accidentally released from the factory across a narrow zone extending at least 30 miles downwind.
“You can concoct a completely crazy story and make it plausible by the way you design it,” Dr. Meselson said, explaining why the Soviets had succeeded in dispelling suspicions about a lab leak.
In Sverdlovsk, as Yekaterinburg was known in Soviet times, those suspicions appeared as soon as people started falling mysteriously ill, according to interviews this month with residents who remember those days.
Raisa Smirnova, then a 32-year-old worker at a ceramics factory nearby, says she had friends at the mysterious compound who used their special privileges to help her procure otherwise hard-to-find oranges and canned meat. She also heard that there was some sort of secret work on germs being done there, and local rumors would attribute occasional disease outbreaks to the lab.
“Why is it that your hands are blue?” Ms. Smirnova recalls a co-worker asking her one day in April 1979 when she went to work, apparently showing symptoms of low blood oxygen levels.
She was rushed to the hospital with a high fever and, she says, spent a week there unconscious. By May, some 18 of her co-workers had died. Before she was allowed to go home, K.G.B. agents took her a document to sign, prohibiting her from talking about the events for 25 years.
At Sverdlovsk’s epidemiological service, the epidemiologist Viktor Romanenko was a foot soldier in the cover-up. He says he knew immediately that the disease outbreak striking the city could not be intestinal, food-borne anthrax as the senior health authorities claimed. The pattern and timing of the cases’ distribution showed that the source was airborne and a one-time event.
“We all understood that this was utter nonsense,” said Dr. Romanenko, who went on to become a senior regional health official in post-Soviet times.
But in a Communist state, he had no choice but to go along with the charade, and he and his colleagues spent months seizing and testing meat. K.G.B. agents descended on his office and took away medical records. The Soviet Union had signed a treaty banning biological weapons, and national interests were at stake.
“There was an understanding that we had to get as far away as possible from the biological-weapons theory,” Dr. Romanenko recalled. “The task was to defend the honor of the country.”
There were even jitters at the Evening Sverdlovsk, a local newspaper. A correspondent from The New York Times called the newsroom as the outbreak unfolded, recalls a journalist there at the time, Aleksandr Pashkov. The editor in chief told the staff to stop answering long-distance calls, lest anyone go off-message if the correspondent called again.
“He who can keep a secret comes out on top,” Mr. Pashkov said.
As the Soviet Union crumbled, so did its ability to keep secrets. For a 1992 documentary, Mr. Pashkov tracked down a retired counterintelligence officer in Ukraine — now a different country — who had worked in Sverdlovsk at the time. Telephone intercepts at the military lab, the officer said, revealed that a technician had forgotten to replace a safety filter.
Soon, Mr. Yeltsin — who himself was part of the cover-up as the top Communist official in the region in 1979 — admitted that the military was to blame.
“You need to understand one simple thing,” Mr. Pashkov said. “Why did all this become known? The collapse of the Union.”
The husband-and-wife team of Dr. Meselson and Dr. Guillemin visited Yekaterinburg several times in the 1990s to document the leak. Interviewing survivors, they plotted the victims’ whereabouts and investigated weather records, finding that Dr. Meselson and others had been wrong to give credence to the Soviet narrative.
Dr. Meselson said that when he contacted a Russian official in the early 1990s about reinvestigating the outbreak, the response was, “Why take skeletons out of the closet?”
But he said that determining the origins of epidemics becomes more critical when geopolitics are involved. Had he and his colleagues not proved the cause of the outbreak back then, he said, the matter might still be an irritant in the relationship between Russia and the West.
The same goes for the investigation into the source of Covid-19, Dr. Meselson said. As long as the pandemic’s source remains a matter of suspicion, he said, the question will continue to raise tensions with China, more so than if the truth were known.
“There’s a huge difference between people who are still trying to prove a point against emotional opposition and people who can look back and say, ‘Yeah, yeah, I was right,’” Dr. Meselson said. “One of them fuels wars. The other is history. We need to get all these things solved. We need history, we don’t need all this emotion.”
Unlike Covid-19, anthrax does not easily pass from human to human, which is why the Sverdlovsk lab leak did not cause a broader epidemic. Even the Sverdlovsk case, however, has not been fully solved. It remains unclear whether the secret activity at the factory was illegal biological weapons development — which the Soviet Union is known to have performed — or vaccine research.
Under President Vladimir V. Putin, revealing Russian historical shortcomings has increasingly been deemed unpatriotic. With the government mum on what exactly happened, a different theory has gained currency: Perhaps it was Western agents who deliberately released anthrax spores to undermine the Communist regime.
“The concept of truth, in fact, is very complicated,” said Lev Grinberg, a Yekaterinburg pathologist who secretly preserved evidence of the true nature of the outbreak in 1979. “Those who don’t want to accept the truth will always find ways not to accept it.”
Oleg Matsnev contributed research.
Anton Troianovski is the Moscow bureau chief for The New York Times. He was previously Moscow bureau chief of The Washington Post and spent nine years with The Wall Street Journal in Berlin and New York. More about Anton Troianovski
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