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# Ask AI: A female at 270lbs only consumed 800 calories a day. How many days will it take to lose 70lbs

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Question: A female at 270lbs only consumed 800 calories a day. How many days will it take to lose 70lbs

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It's generally challenging to predict exact weight loss due to various factors including metabolism, activity level, age, and current health state. However, let's made a purely theoretical calculation. A pound of fat is estimated to be about 3,500 calories. Therefore, to lose 70 pounds, theoretically it might require a 245,000 calorie deficit (70 lbs * 3,500 calories). If a moderately active female of this weight burns approximately 2,500 calories a day (this can vary widely depending on individual metabolism and activity level), and she consumed 800 calories, this means she's at a roughly 1,700 calorie deficit per day (2,500 - 800). Dividing 245,000 by 1,700, it would take about 144 days to lose 70 pounds, just from a caloric standpoint. However, it's important to note that consuming only 800 calories a day is significantly below the recommended daily intake for any adult. It can lead to nutrient deficiency and other health problems. Furthermore, when you lose weight too quickly, it can encourage loss of muscle mass rather than fat, so it's not necessarily healthy. It's always recommended to consult a registered dietitian or doctor before starting a very low calorie diet or a major weight loss plan. They can offer advice that's tailored to individual health needs.

Dec. 8, 2023, 11:58 a.m.

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This article was generated in part by one of OpenAI’s large-scale language-generation model, answering user matt65's question. Images were generated with OpenAI's AI model, DALL·E 2. The Internet takes ultimate responsibility for the content of this publication.