Does fat melt away, like most social media influencers suggest? Does it move from the belly to the thighs? Or does it vanish into thin air? Ever wondered what really happens when you lose fat? Turns out, there is an interesting science behind the same. Allow us to explain, with help from experts.
Your body undergoes “complex metabolic processes” to convert stored fat into usable energy. This transformation results in the production of two main waste : carbon dioxide and water. Surprisingly, a higher percentage of the fat is exhaled as carbon dioxide, and the remaining is excreted as water, said Dr Rajiv Kovil, head of diabetology at Zandra Healthcare and co-founder of Rang De Neela Initiative.
Adding, Dr Narander Singla, lead consultant, internal medicine, CK Birla Hospital, , said that a significant portion of the fat you lose, approximately 84 per cent, is exhaled from your body in the form of carbon dioxide. “This occurs in the lungs, where carbon dioxide is transported from the bloodstream and expelled during breathing. In essence, each breath you take helps eliminate fat that has been metabolised,” said Dr Singla.
In simple terms, you breathe out most of the fat you lose, said Dr Kovil, adding that this also explains why regular exercise and deep breathing during activity play an essential role in fat loss.
The remaining 16 per cent of fat loss is converted into water. “This water is eliminated from the body through various natural processes. It exits through sweat, as your skin releases excess water to help regulate . It is also filtered by the kidneys and expelled as urine. Additionally, smaller amounts of water are lost through other bodily fluids, such as tears and saliva,” shared Dr Singla.
Notably, fat is not directly excreted through feces or urine. “Instead, after it is metabolised, the byproducts like carbon dioxide and water are removed through respiration and fluid loss. So, the next time you notice a drop on the scale, remember that your is actively working to break down fat and eliminate its byproducts efficiently,” said Dr Singla.
What to note?
Pairing physical activity with a for the best long-term results and weight loss is essential. “It is necessary to speak to the expert and understand this. Remember, your priority should be fat loss, not just weight loss,” said Dr Kovil.
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