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A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 and thus with the empirical formula Cm(H2O)n, which does not mean the H has covalent bonds with O. However, not all carbohydrates conform to this precise stoichiometric definition, nor are all chemicals that do conform to this definition automatically classified as carbohydrates.
A soft drink is any water-based flavored drink, usually but not necessarily carbonated, and typically including added sweetener. Flavors used can be natural or artificial. The sweetener may be a sugar, high-fructose corn syrup, fruit juice, a sugar substitute, or some combination of these. Soft drinks may also contain caffeine, colorings, preservatives and other ingredients.
Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food. Simple sugars, also called monosaccharides, include glucose, fructose, and galactose. Compound sugars, also called disaccharides or double sugars, are molecules made of two bonded monosaccharides; common examples are sucrose, lactose, and maltose. White sugar is a refined form of sucrose. In the body, compound sugars are hydrolysed into simple sugars.
"Junk food" is a term used to describe food that is high in calories from macronutrients such as sugar and/or fat, and possibly sodium, making it hyperpalatable, but with insufficient dietary fiber, protein, or micronutrients such as vitamins and minerals. It is also known as HFSS food. The term junk food is a pejorative dating back to the 1950s. Many variations of junk food can be easily found in most supermarkets and fast-food restaurants. Due to easy accessibility, commercially-oriented packaging, and often-low prices, people are most likely to consume it.
Weight loss, in the context of medicine, health, or physical fitness, refers to a reduction of the total body mass, by a mean loss of fluid, body fat, or lean mass. Weight loss can either occur unintentionally because of malnourishment or an underlying disease, or from a conscious effort to improve an actual or perceived overweight or obese state. "Unexplained" weight loss that is not caused by reduction in calorific intake or increase in exercise is called cachexia and may be a symptom of a serious medical condition.
A fad diet is a diet that is popular, generally only for a short time, similar to fads in fashion, without being a standard scientific dietary recommendation, and often making unreasonable claims for fast weight loss or health improvements; as such it is often considered a type of pseudoscientific diet. Fad diets are usually not supported by clinical research and their health recommendations are not peer-reviewed, thus they often make unsubstantiated statements about health and disease.
A healthy diet is a diet that maintains or improves overall health. A healthy diet provides the body with essential nutrition: fluid, macronutrients such as protein, micronutrients such as vitamins, and adequate fibre and food energy.
A fat tax is a tax or surcharge that is placed upon fattening food, beverages or on overweight individuals. It is considered an example of Pigovian taxation. A fat tax aims to discourage unhealthy diets and offset the economic costs of obesity.
Gary Taubes is an American journalist, writer, and low-carbohydrate / high-fat (LCHF) diet advocate. His central claim is that carbohydrates, especially sugar and high-fructose corn syrup, overstimulate the secretion of insulin, causing the body to store fat in fat cells and the liver, and that it is primarily a high level of dietary carbohydrate consumption that accounts for obesity and other metabolic syndrome conditions. He is the author of Nobel Dreams (1987); Bad Science: The Short Life and Weird Times of Cold Fusion (1993); Good Calories, Bad Calories (2007), titled The Diet Delusion (2008) in the UK and Australia; Why We Get Fat: And What to Do About It (2010); The Case Against Sugar (2016); and The Case for Keto: Rethinking Weight Control and the Science and Practice of Low-Carb/High-Fat Eating (2020). Taubes's work often goes against accepted scientific, governmental, and popular tenets such as that obesity is caused by eating too much and exercising too little and that excessive consumption of fat, especially saturated fat in animal products, leads to cardiovascular disease.
John Yudkin FRSC was a British physiologist and nutritionist, and the founding Professor of the Department of Nutrition at Queen Elizabeth College, London.
Intermittent fasting is any of various meal timing schedules that cycle between voluntary fasting and non-fasting over a given period. Methods of intermittent fasting include alternate-day fasting, periodic fasting, such as the 5:2 diet, and daily time-restricted eating.
Diet plays an important role in the genesis of obesity. Personal choices, food advertising, social customs and cultural influences, as well as food availability and pricing all play a role in determining what and how much an individual eats.
Obesity in the United Kingdom is a significant contemporary health concern, with authorities stating that it is one of the leading preventable causes of death. In February 2016, former Health Secretary Jeremy Hunt described rising rates of childhood obesity as a "national emergency". The National Childhood Measurement Programme, which measures obesity prevalence among school-age pupils in reception class and year 6, found obesity levels rocketed in both years groups by more than 4 percentage points between 2019–20 and 2020–21, the highest rise since the programme began. Among reception-aged children, those aged four and five, the rates of obesity rose from 9.9% in 2019–20 to 14.4% in 2020–21. By the time they are aged 10 or 11, more than a quarter are obese. In just 12 months, the rate is up from 21% in 2019–20 to 25.5% in 2020–21.
A sugary drink tax, soda tax, or sweetened beverage tax (SBT) is a tax or surcharge designed to reduce consumption of sweetened beverages by making them more expensive to purchase. Drinks covered under a soda tax often include carbonated soft drinks, sports drinks and energy drinks. Fruit juices without added sugar are usually excluded, despite similar sugar content, though there is some debate on including them.
The Oxford Brookes Centre for Nutrition and Health is the first research centre in the United Kingdom dedicated to researching functional foods.
Added sugars or free sugars are sugar carbohydrates added to food and beverages at some point before their consumption. These include added carbohydrates, and more broadly, sugars naturally present in honey, syrup, fruit juices and fruit juice concentrates. They can take multiple chemical forms, including sucrose, glucose (dextrose), and fructose.
Sugar-sweetened beverages (SSB) are any beverage with added sugar. They have been described as "liquid candy". Consumption of sugar-sweetened beverages have been linked to weight gain and an increased risk of cardiovascular disease mortality. According to the CDC, consumption of sweetened beverages is also associated with unhealthy behaviors like smoking, not getting enough sleep and exercise, and eating fast food often and not enough fruits regularly.
The Sugar Association is a trade association for the sugar industry of the United States. Its members include nearly 142,000 growers, processors and refiners of sugar beet and sugarcane plants.
Sugarwise is the international certification authority for sugar claims on food and drink. It assesses foods and beverages on the basis of their sugar claims.
Pure, White and Deadly is a 1972 book by John Yudkin, a British nutritionist and former Chair of Nutrition at Queen Elizabeth College, London. Published in New York, it was the first publication by a scientist to anticipate the adverse health effects, especially in relation to obesity and heart disease, of the public's increased sugar consumption. At the time of publication, Yudkin sat on the advisory panel of the British Department of Health's Committee on the Medical Aspects of Food and Nutrition Policy (COMA). He stated his intention in writing the book in the last paragraph of the first chapter: "I hope that when you have read this book I shall have convinced you that sugar is really dangerous."
References
- ↑ "Stupid Hunt". No. 1403. Private Eye. 16 October 2015. p. 7.
- ↑ "Sugar and Britain's obesity crisis: the key questions answered". Guardian. 23 October 2015. Retrieved 1 January 2016.
- ↑ "How addictive is sugar?". BBC News. 20 January 2013. Retrieved 1 January 2016.
- ↑ "Sugar and water 'as good as a sports drink'". Azer Tag. 4 December 2015. Retrieved 1 January 2016.
- ↑ "Sugar Nutrition UK: Born 1964, died 2016". Food navigator. 9 November 2016. Retrieved 19 November 2022.
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