Fat is created in the human body primarily through a process called lipogenesis. Here's a brief summary:
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1. **Dietary Intake**: When you consume more calories than your body needs for immediate energy, the excess calories, especially from carbohydrates and fats, can be converted into triglycerides (the main constituents of body fat) in the liver.
2. **Conversion in the Liver**: Excess carbohydrates are first converted into glucose. If there's more glucose in the bloodstream than your body can use or store as glycogen (the stored form of glucose in the liver and muscles), it gets converted into triglycerides in the liver.
3. **Transport to Fat Cells**: Once formed, triglycerides are transported to fat cells (adipocytes) throughout the body. They enter these cells and are stored as fat until needed for energy.
4. **Hormonal Regulation**: Insulin, a hormone released by the pancreas, plays a key role in this process. When blood glucose levels rise after a meal, insulin is released, promoting the uptake of glucose by cells and facilitating its conversion to fat in the liver.
5. **Fat Breakdown**: Fat can also be broken down when needed for energy in a process called lipolysis. This usually occurs when we're physically active or when we're fasting. During these times, fat stores release their stored triglycerides to be used as an energy source.
In addition to dietary factors, genetics, metabolism, hormonal balance, and lifestyle factors (like physical activity) play significant roles in the accumulation and distribution of body fat. Learn more: http://bit.ly/3Zw53vp
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