![]() ![]() ![]() Outsmarting Poison Ivy and Other Poisonous Plants; 5 Tips for a Healthy Vacation; Use Sunscreen Spray? Avoid Open Flame; Should You Put Sunscreen on Infants? A healthy diet reduces your risk for stroke by lowering the cholesterol that can lead to plaque build-up in your arteries. Nutritious foods can also lower the plaque. The Best Brain Food You Should Be Eating . Researchers at Chicago’s Rush University Medical Center studied the lifestyle habits of 6,0. E- rich foods had a reduced Alzheimer’s risk. Vitamin E may trap free radicals that can damage brain cells, explains the Alzheimer’s Research Center. Eggsi. Stock/t. When you eat eggs, your brain uses choline to make acetylcholine, a neurotransmitter that may be important for maintaining memory and communication among brain cells. Boston University researchers tracked the eating habits of nearly 1,4. Blueberriesi. Stock/Valentyn. Butter is a health food. There, I said it. I don’t just love butter because it tastes better than margarine. I don’t just love it because I think it’s a. Eat these foods to protect brain cells, improve your memory, and even reduce your odds of developing Alzheimer’s disease. Maintaining a healthy weight is important for someone with COPD. Some people with COPD lose weight, which they don’t need to lose, and which can make symptoms worse. Anti-inflammatory Diet: Road to Good Health? Experts discuss the potential disease-fighting benefits of diets that try to reduce inflammation. Volkov. In select animal studies, researchers found that blueberries helped protect the brain from oxidative stress, and may have worked to reduce the effects of age- related conditions such as Alzheimer's disease or dementia, Pratt said. A Harvard study published last year in the journal Annals of Neurology found that women who reported eating more blueberries and strawberries were likely to have less- rapid cognitive decline than those who ate fewer of the fruits. A study published earlier this year in the Journal of Biological Chemistry found that the antioxidant EGCG—found in red wine and green tea—helped stop beta- amyloid proteins from harming brain cells in the lab. Additionally, research from UCLA found that wine’s antioxidants may block proteins that build brain- destroying plaques. In other recent news, British researchers discovered that rats improved spatial memory when they consumed what would be the equivalent of a daily glass of Champagne; certain antioxidants in the bubbly may encourage growth of and better communication among nerve cells. Avocadosi. Stock/Red. Helga. Avocados are almost as good as blueberries in promoting brain health, Dr. Pratt told Web. MD. These buttery fruits are rich in monounsaturated fat, which contributes to healthy blood flow in the brain, according to Ann Kulze, MD, author of Dr. Ann's 1. 0- Step Diet: A Simple Plan for Permanent Weight Loss & Lifelong Vitality. They may also help lower blood pressure, which can reduce your risks for hypertension or a stroke that could permanently damage brain tissue. Kale and Other Cruciferous Veggiesi. Stock/5. 8shadows. These superfoods contain powerful antioxidants that can protect your brain from toxic free radicals. One study of older women found that those who ate the most green, leafy vegetables had minds that functioned like women who were one to two years younger than they actually were, compared to women who ate fewer leafy greens, according to the Alzheimer’s Association. Content continues below ad. Salmoni. Stock/gbh. Your brain loves omega- 3 fatty acids, which are thought to play an important role in cognitive function. According to the New York Times describing research in the journal Neurology, low levels of these unsaturated fats in the blood are linked with smaller brain volume and worse performance on certain tests of mental function. Omega- 3s, which are found in salmon and other cold- water fish, may also bolster the brainpower of younger adults. According to University of Pittsburgh research published last year, adults under age 2. Nutrition - Wikipedia. Nutrition is the science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism. It includes food intake, absorption, assimilation, biosynthesis, catabolism and excretion. A healthy diet includes preparation of food and storage methods that preserve nutrients from oxidation, heat or leaching, and that reduce risk of foodborne illness. Registered dietitian nutritionists (RDs or RDNs). They also provide preventive and therapeutic programs at work places, schools and similar institutions. Certified Clinical Nutritionists or CCNs, are trained health professionals who also offer dietary advice on the role of nutrition in chronic disease, including possible prevention or remediation by addressing nutritional deficiencies before resorting to drugs. Another advanced Nutrition Professional is a Certified Nutrition Specialist or CNS. These Board Certified Nutritionists typically specialize in obesity and chronic disease. In order to become board certified, potential CNS candidate must pass an examination, much like Registered Dieticians. This exam covers specific domains within the health sphere including; Clinical Intervention and Human Health. Scurvy, later found to be a vitamin C deficiency, was first described in 1. BC in the Ebers Papyrus. In China, the concept of Qi developed, a spirit or . Daniel and his friends were captured by the king of Babylon during an invasion of Israel. Selected as court servants, they were to share in the king's fine foods and wine. But they objected, preferring vegetables (pulses) and water in accordance with their Jewish dietary restrictions. The king's chief steward reluctantly agreed to a trial. Daniel and his friends received their diet for ten days and were then compared to the king's men. Appearing healthier, they were allowed to continue with their diet. In the 2nd century BC, Cato the Elder believed that cabbage (or the urine of cabbage- eaters) could cure digestive diseases, ulcers, warts, and intoxication. Living about the turn of the millennium, Aulus Celsus, an ancient Roman doctor, believed in . Four elements (earth, air, fire and water) combine into . The states are made up of pairs of attributes (hot and moist, cold and moist, hot and dry, and cold and dry), which are made of four humours: blood, phlegm, green (or yellow) bile, and black bile (the bodily form of the elements). Galen thought that for a person to have gout, kidney stones, or arthritis was scandalous, which Gratzer likens to Samuel Butler's Erehwon (1. Leonardo did not publish his works on this subject, but he was not afraid of thinking for himself and he definitely disagreed with Galen. Jan Baptist van Helmont, who discovered several gases such as carbon dioxide, performed the first quantitative experiment. Robert Boyle advanced chemistry. Sanctorius measured body weight. Physician Herman Boerhaave modeled the digestive process. Physiologist Albrecht von Haller worked out the difference between nerves and muscles. Lind discovered that lime juice saved sailors that had been at sea for years from scurvy, a deadly and painful bleeding disorder. Between 1. 50. 0 and 1. Called the most fundamental chemical discovery of the 1. His ideas made the phlogiston theory of combustion obsolete. In the early 1. 9th century, the elements carbon, nitrogen, hydrogen, and oxygen were recognized as the primary components of food, and methods to measure their proportions were developed. Adding various types of vegetables and meats to the diets of Japanese sailors prevented the disease, (not because of the increased protein as Takaki supposed but because it introduced a few parts per million of thiamine to the diet, later understood as a cure. In 1. 89. 7, Christiaan Eijkman worked with natives of Java, who also suffered from beriberi. Eijkman observed that chickens fed the native diet of white rice developed the symptoms of beriberi but remained healthy when fed unprocessed brown rice with the outer bran intact. Eijkman cured the natives by feeding them brown rice, discovering that food can cure disease. Over two decades later, nutritionists learned that the outer rice bran contains vitamin B1, also known as thiamine. From 1. 90. 0 to the present. In 1. 90. 6, Edith G. Willcock and Frederick Hopkins showed that the amino acid tryptophan aids the well- being of mice but it did not assure their growth. Babcock and Edwin B. Hart conducted the single- grain experiment, which took nearly four years to complete. The vitamins were studied in the first half of the 2. In 1. 91. 3, Elmer Mc. Collum and Marguerite Davis discovered the first vitamin, fat- soluble vitamin A, then water- soluble vitamin B (in 1. C as the then- unknown substance preventing scurvy. Lafayette Mendel and Thomas Osborne also performed pioneering work on vitamins A and B. In 1. 91. 9, Sir Edward Mellanby incorrectly identified rickets as a vitamin A deficiency because he could cure it in dogs with cod liver oil. Evans and L. S. Bishop discover vitamin E as essential for rat pregnancy, originally calling it . In 1. 92. 7, Adolf Otto Reinhold Windaus synthesized vitamin D, and was awarded the Nobel Prize in Chemistry in 1. In 1. 92. 8, Albert Szent- Gy. In 1. 93. 5, he synthesized it, and in 1. Nobel Prize for his efforts. In 1. 93. 5, Underwood and Marston independently discovered the necessity of cobalt. In 1. 93. 6, Eugene Floyd Du. Bois showed that work and school performance are related to caloric intake. In 1. 93. 8, Erhard Fernholz discovered the chemical structure of vitamin E and then he tragically disappeared. In 1. 94. 1, the first Recommended Dietary Allowances (RDAs) were established by the National Research Council. In 1. 99. 2, The U. S. Department of Agriculture introduced the Food Guide Pyramid. Other micronutrients include antioxidants and phytochemicals, which are said to influence (or protect) some body systems. Their necessity is not as well established as in the case of, for instance, vitamins. Most foods contain a mix of some or all of the nutrient types, together with other substances, such as toxins of various sorts. Some nutrients can be stored internally (e. Poor health can be caused by a lack of required nutrients or, in extreme cases, too much of a required nutrient. For example, both salt and water (both absolutely required) will cause illness or even death in excessive amounts. Some of the structural material can be used to generate energy internally, and in either case it is measured in Joules or kilocalories (often called . Carbohydrates and proteins provide 1. J approximately (4 kcal) of energy per gram, while fats provide 3. J (9 kcal) per gram. Vitamins, minerals, fiber, and water do not provide energy, but are required for other reasons. Molecules of carbohydrates and fats consist of carbon, hydrogen, and oxygen atoms. Carbohydrates range from simple monosaccharides (glucose, fructose, galactose) to complex polysaccharides (starch). Fats are triglycerides, made of assorted fatty acidmonomers bound to a glycerol backbone. Some fatty acids, but not all, are essential in the diet: they cannot be synthesized in the body. Protein molecules contain nitrogen atoms in addition to carbon, oxygen, and hydrogen. The fundamental components of protein are nitrogen- containing amino acids, some of which are essential in the sense that humans cannot make them internally. Some of the amino acids are convertible (with the expenditure of energy) to glucose and can be used for energy production, just as ordinary glucose, in a process known as gluconeogenesis. By breaking down existing protein, the carbon skeleton of the various amino acids can be metabolized to intermediates in cellular respiration; the remaining ammonia is discarded primarily as urea in urine. This occurs normally only during prolonged starvation. Carbohydrates. They constitute a large part of foods such as rice, noodles, bread, and other grain- based products. Monosaccharides, disaccharides, and polysaccharides contain one, two, and three or more sugar units, respectively. Polysaccharides are often referred to as complex carbohydrates because they are typically long, multiple branched chains of sugar units. Traditionally, simple carbohydrates are believed to be absorbed quickly, and therefore to raise blood- glucose levels more rapidly than complex carbohydrates. This, however, is not accurate. Like all carbohydrates, when it is metabolized it can produce four Calories (kilocalories) of energy per gram. However, in most circumstances it accounts for less than that because of its limited absorption and digestibility. Dietary fiber consists mainly of cellulose, a large carbohydrate polymer which is indigestible as humans do not have the required enzymes to disassemble it. There are two subcategories: soluble and insoluble fiber. Whole grains, fruits (especially plums, prunes, and figs), and vegetables are good sources of dietary fiber. There are many health benefits of a high- fiber diet. Dietary fiber helps reduce the chance of gastrointestinal problems such as constipation and diarrhea by increasing the weight and size of stool and softening it. Insoluble fiber, found in whole wheat flour, nuts and vegetables, especially stimulates peristalsis – the rhythmic muscular contractions of the intestines, which move digesta along the digestive tract. Soluble fiber, found in oats, peas, beans, and many fruits, dissolves in water in the intestinal tract to produce a gel that slows the movement of food through the intestines. This may help lower blood glucose levels because it can slow the absorption of sugar. Additionally, fiber, perhaps especially that from whole grains, is thought to possibly help lessen insulin spikes, and therefore reduce the risk of type 2 diabetes. The link between increased fiber consumption and a decreased risk of colorectal cancer is still uncertain.
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