Weight gain can sometimes be a side effect of stopping smoking. Page last reviewed: 16 May Next review due: 16 May Obesity is generally caused by eating too much and moving too little. Calories The energy value of food is measured in units called calories. Poor diet Obesity does not happen overnight. It develops gradually over time, as a result of poor diet and lifestyle choices, such as: eating large amounts of processed or fast food — that's high in fat and sugar drinking too much alcohol — alcohol contains a lot of calories, and people who drink heavily are often overweight eating out a lot — you may be tempted to also have a starter or dessert in a restaurant, and the food can be higher in fat and sugar eating larger portions than you need — you may be encouraged to eat too much if your friends or relatives are also eating large portions drinking too many sugary drinks — including soft drinks and fruit juice comfort eating — if you have low self-esteem or feel depressed, you may eat to make yourself feel better Unhealthy eating habits tend to run in families.
Lack of physical activity Lack of physical activity is another important factor related to obesity. Read more about the physical activity guidelines for adults. Genetics Some people claim there's no point trying to lose weight because "it runs in my family" or "it's in my genes". Medical reasons In some cases, underlying medical conditions may contribute to weight gain. They are also heavily processed, and contain a lot of added fat and sugar.
Rumsey also pointed out that junk food is low in protein and fiber, doing little to keep you full and making it easy to over-consume calories. This week, the Food and Brand Lab also released another study looking at the connection between what's eaten for breakfast and a healthy weight. Though egg consumption was higher than expected, the researchers said that much can be learned from the breakfast habits of healthy-weight people.
Ashley Welch. Please enter email address to continue. Please enter valid email address to continue. Gleason P, et al. School food environments and policies in US public schools.
Availability and consumption of competitive foods in US public schools. Health Aff Millwood , Competitive foods and beverages available for purchase in secondary schools—selected sites, United States, Sugar-sweetened beverages and risk of obesity and type 2 diabetes: epidemiologic evidence.
Physiol Behav. American Beverage Association. Effect of school district policy change on consumption of sugar-sweetened beverages among high school students, Boston, Massachusetts, Epub Jun Disparities and access to healthy food in the United States: A review of food deserts literature. Health Place. Neighborhood retail food environment and fruit and vegetable intake in a multiethnic urban population.
Am J Health Promot. Rose D, Richards R. Food store access and household fruit and vegetable use among participants in the US Food Stamp Program. Supermarkets, other food stores, and obesity: the atherosclerosis risk in communities study. Associations between access to food stores and adolescent body mass index. Green neighborhoods, food retail and childhood overweight: differences by population density.
A systematic review of environmental factors and obesogenic dietary intakes among adults: are we getting closer to understanding obesogenic environments? Obes Rev. An R, Sturm R. School and residential neighborhood food environment and diet among California youth. Lee H. The role of local food availability in explaining obesity risk among young school-aged children. Soc Sci Med. Food store availability and neighborhood characteristics in the United States. Fruit and vegetable access differs by community racial composition and socioeconomic position in Detroit, Michigan.
Ethn Dis. Availability and prices of foods across stores and neighborhoods: the case of New Haven, Connecticut. Health Aff Millwood. Neighbourhood fruit and vegetable availability and consumption: the role of small food stores in an urban environment. US secondary schools and food outlets. Sturm R, Disparities in the food environment surrounding US middle and high schools. Public Health. Rosenheck R. Fast food consumption and increased caloric intake: a systematic review of a trajectory towards weight gain and obesity risk.
Are fast food restaurants an environmental risk factor for obesity? Body mass index, neighborhood fast food and restaurant concentration, and car ownership. J Urban Health. Obesity and the built environment: does the density of neighborhood fast-food outlets matter?
Fast food restaurants and food stores: longitudinal associations with diet in young to middle-aged adults: the CARDIA study. Arch Intern Med. Most fast food, including drinks and sides, are loaded with carbohydrates with little to no fiber. When your digestive system breaks down these foods, the carbs are released as glucose sugar into your bloodstream. As a result, your blood sugar increases. Your pancreas responds to the surge in glucose by releasing insulin.
Insulin transports sugar throughout your body to cells that need it for energy. As your body uses or stores the sugar, your blood sugar returns to normal. But frequently eating high amounts of carbs can lead to repeated spikes in your blood sugar. This increases your risk for insulin resistance , type 2 diabetes , and weight gain. Many fast-food meals have added sugar. Not only does that mean extra calories, but also little nutrition. Many fast-food drinks alone hold well over 12 ounces.
A ounce can of soda contains 8 teaspoons of sugar. That equals calories, 39 grams of sugar, and nothing else. Trans fat is manufactured fat created during food processing.
No amount of trans fat is good or healthy. Eating foods that contain it can increase your LDL bad cholesterol , lower your HDL good cholesterol , and increase your risk for type 2 diabetes and heart disease. Restaurants may also compound the calorie-counting issue.
The combination of fat, sugar, and lots of sodium salt can make fast food tastier to some people. But diets high in sodium can lead to water retention , which is why you may feel puffy, bloated , or swollen after eating fast food.
A diet high in sodium is also dangerous for people with blood pressure conditions. Sodium can elevate blood pressure and put stress on your heart and cardiovascular system.
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