Nutritional human diseases are disorders caused by an imbalance in nutrition and falls into one of three categories. It is nutritional diseases caused by lack of nutrients, while others that have excess nutrients. Other nutritional diseases are the result of toxic components in foods. Nutritional diseases can lead to death. A recent eFlux Media article notes that about one in three deaths in children worldwide, due to nutritional diseases. There are approximately 3.5 million deaths annually.
Nutritional deficiency occurs when someone takes in nutrients missing for normal body functioning. For example, for proper bone development and protein needed for muscle and energy, the body needs to take in various nutrients, including calcium and phosphorus. Nutritional needs change as a human body grows, and for pregnant women and elderly people. Other individuals at risk for nutritional deficiency diseases are vegans, vegetarians, drug addicts and people on fad diets. Nutritional deficiency symptoms can include appetite loss, memory loss, anorexia, dementia, weakness and bruising.
Diseases caused by Nutrional Deficiency
One of the most famous examples of diseases caused by nutritional deficiency is scurvy. A disease in which bones lose stiffness because of too little vitamin C in your diet, scurvy occurred frequently among sailors on long voyages that lacked proper nutrition. After hundreds of years, it was discovered that eating limes, high in vitamin C, could cure scurvy. Other diseases caused by nutritional deficiency include rickets and beriberi, caused by lack of vitamin B (thiamine).
Modern Nutritional Diseases
Modern diseases caused by nutritional problems have replaced older diseases such as scurvy and beriberi, which mostly took place years ago. According to public health researchers and writers Alice and Fred Ottoboni, modern nutritional diseases such as stroke, cancer, heart disease, type 2 diabetes and obesity are increasing. The Ottobonis, who wrote “The Modern Nutritional Diseases,” believes this is largely due to poor nutrition.
Nutritional Excess and Obesity
Nutritional excess may be caused by overeating, and excess intake of vitamins or not enough training. The most common result of nutritional excess obesity. Obesity can be caused by a large consumption of foods high in fat. However, other factors play a role such as pregnancy and damage to the hypothalamus, which is the part of the brain that controls the appetite. Other causes can be medications and psychological facts, and hormonal imbalances. Usually Overweight is diagnosed using body mass index (BMI). The BMI represents someone’s weight (in kilograms) divided by the square of their height (in meters). According The Cornell Illustrated Encyclopedia of Health, which have a BMI between 25 and 30 is overweight, with a BMI of 30 indicates obesity.
Toxic components causing Nutritional Disorders
Poisonous or toxic elements found in foods constitute a third category nutritional diseases. Natural examples of toxic elements are mushrooming. On the other hand, they can be artificially created such as pollution, pesticides or fertilizers. Toxic elements can also be a result of consuming too many vitamins and minerals as those found in supplements sold in health food and drugstores. Some vitamins may be toxic when taken in excess include vitamins A, B6, C, D, E, niacin, and folic acid. Minerals like nickel, arsenic and chromium can eventually lead to cancer. Also all traces vitamins are poisonous.
The problem of nutritional diseases in humans were not the growing concern that it has been in the 20th and 21st centuries. Before then, people did not get food from merchants, but instead acted entire food grown on family farms for food made by the food industry. Then around the late 19th and early 20th centuries, there were changes in diet. As more and more people left the farms and moved to the cities, had food to be bought from grocery stores. As a result, many nutrients lost in food processing, some food to be filled with empty calories.
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