When youre losing weight that fast, chances are youll gain it all back. Most of that weight loss is water weight, says Keri Gans, R.D.N, author of The Small Change Diet. Water weight, or the bodys retention of water, totally fluctuates. There are many factors that could explain it, from eating a meal high in sodium to where you are in your menstrual cycle to being bloated due to gas and constipation. That makes it hard to actually count as weight loss.
Plus, its way more likely that youre losing lean muscle mass over fat. Muscle is more metabolically active than fat, meaning it takes the body more calories at rest to maintain muscle, explains Feller. When a person loses weight quickly, the body begins to break down that muscle. And since you dont want to drop your muscle mass, its clearly not the smart way to go. (After All, Just Look at These Women Who Prove Being Strong Is Dead Sexy.)
And of course, there are health risks to think about. Super quick weight loss may cause dehydration, dizziness, fatigue, nausea, diarrhea, constipation, and even gallstones, says Gans. Very low-calorie and liquid dietsthe kind youd need to follow to lose 10 pounds in such a short timeshould always be medically supervised, warns Feller.
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How to Lose 10 Pounds Without Starving (Or Putting It ...
