what are the effects of low calorie diet?
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People on a very low-calorie diet for 4 to 16 weeks report minor side effects such as fatigue, constipation, nausea, and diarrhea. These conditions usually improve within a few weeks and rarely prevent people from completing the program. Gallstones are the most common serious side effect of very low-calorie diets.
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FACT: Low-calorie sweeteners do not cause or increase the risk of other health conditions. Low-calorie sweeteners are often inaccurately linked to adverse health effects, such as seizures, infertility, stomach ailments, and possible effects on kidney and liver function.
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The most effective way to lose weight is to consume fewer calories than you expend, creating a calorie deficit. But if your calorie intake dips too low, says Lummus, your body could go into starvation mode. "Your body will start to store fat because it thinks it is not going to get anything," says Lummus.
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1. Low Energy Levels. Calories are units of energy your body uses to function. When you don't eat enough calories, you're likely to feel tired most of the time.
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You'll be hungry and may feel weak. Whether or not a detox diet is safe depends on the plan and how long you stay on it. Most people don't feel good on low-calorie, nutrient-poor diets. Potential side effects include low energy, low blood sugar, muscle aches, fatigue, feeling dizzy or lightheaded, and nausea.
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If serotonin is low, the brain craves more sugar. Eating high-sugar foods can increase your calorie intake and lead to weight gain. Your metabolic rate fluctuates during your menstrual cycle, so when it rises — and your body is burning more calories — you might have a bigger appetite and crave high-calorie foods.
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In the short term, poor nutrition can contribute to stress, tiredness and our capacity to work, and over time, it can contribute to the risk of developing some illnesses and other health problems such as: being overweight or obese. tooth decay. high blood pressure.
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Defining the Low-Calorie Diet As a general rule, people need a minimum of 1,200 calories daily to stay healthy. People who have a strenuous fitness routine or perform many daily activities need more calories.
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Crash diets may harm your heart Research suggests rapid weight loss can slow your metabolism, leading to future weight gain, and deprive your body of essential nutrients. What's more, crash diets can weaken your immune system and increase your risk of dehydration, heart palpitations, and cardiac stress.
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When you're on a low-calorie diet, you usually get between 800 and 1,500 calories a day. For some people, an alternative for short-term weight loss is a very low-calorie diet. Many very low-calorie diets are commercially-made formulas of 800 calories or fewer that replace all the food you usually eat.
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PSMF diet is one such example of a very low calorie diet that ensures a substantial decrease in weight with one adult study reporting up to 1 to 3 kg decrease in weight/week in its intensive phase9,10 with additional benefits including lack of hunger, improved energy, and improved blood glucose and blood pressure.
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How effective are very low-calorie diets? If you have a BMI over 30 (which your doctor will call “obese”), then a very low-calorie diet may let you lose about 3 to 5 pounds per week, for an average total weight loss of 44 pounds over 12 weeks.
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A good place to start is a low-calorie diet plan that provides about 500 calories less than you need in a day, which may help you lose about a 1/2 pound to 1 pound per week. For some, this would be a 1,200-calorie diet plan. As always, you should check with your doctor first.
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It's a simple premise, but if you can take in less calories than you burn off, you'll lose weight. For example, if you burn 2,000 calories a day, try to eat a 1,500–1,800 calorie/day diet (500–600/meal). It's very reasonable.
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Protein can reduce hunger and boost metabolism, but you won't lose weight if you don't eat fewer calories than you burn. It is definitely possible to overeat and negate the calorie deficit caused by the higher protein intake, especially if you eat a lot of junk food.
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Creating a calorie deficit is necessary for weight loss. Cutting calories by 500–750 calories per day, as some health professionals advise, is likely to encourage weight loss, at least in the short term. Many studies have shown that following low calorie diets, including 1,200-calorie diets, can promote weight loss.