Have you ever met someone who can eat whatever they want without gaining a single kilo?
It can be frustrating and even unfair for those who struggle with weight gain or loss. But why does this happen? Is it caused by genetics?
The truth is, there are scientific reasons behind this. Let’s discuss why some people remain slim no matter what they eat and why it’s not always as fun as it seems. If you've ever wondered why your skinny friend can devour plates of food without adding weight.
1. Fast metabolism
One of the biggest reasons some people never gain weight is because of their metabolism—the process by which the body converts food into energy. Some people have a fast metabolism, meaning they burn calories at a high rate, even when resting. This can be due to genetics or muscle mass.
People with a naturally high metabolic rate don’t store as much fat, no matter how much they eat.
2. Genetics
If your parents are naturally slim, chances are, you might be too. Genetics play a major role in body weight and fat storage. Some people inherit genes that make them more resistant to weight gain. Scientists have identified genes that influence how the body processes fat, how much energy it burns, and how it regulates hunger.
This means that for some people, staying slim is simply written in their DNA. They don’t have to worry about counting calories or hitting the gym daily, it’s just how their body is built. However, this doesn’t necessarily translate to being healthy. They may be slim but still unhealthy.
3. Appetite and eating habits
Not everyone has the same appetite. Some people get full quickly, while others have a natural tendency to eat smaller portions.
Appetite is controlled by hormones like ghrelin (hunger hormone) and leptin (fullness hormone). Some people naturally produce more leptin, which makes them feel full faster.
4. Active lifestyle
Some people are naturally more active than others without even realising it. They fidget, walk around more, or have physically demanding jobs that keep them burning calories throughout the day.
In conclusion, people who eat high-protein or fibre-rich foods tend to stay full longer, making it harder to overeat. So, while it may look like they eat a lot, they might not actually be consuming as many calories as it seems.
Therefore, just because someone doesn’t gain weight doesn’t mean they’re eating healthy.
Whether you gain weight easily or struggle to put on a single kilo, the most important thing is to eat a balanced diet, stay active, and focus on being healthy rather than just the number on the scale.
Truly said
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