you can lose water.. which is heavy but as soon as ro rehydrate you gain the weight back.
if you lose to much blood.
takes out carbon dioxide. puts in oxygen
To safely lose weight and keep it off, combine a balanced diet with plenty of exercise. Following the USDA food pyramid is the best and safest way. If you lose the weight quickly, it is hard on your organs, and most people will gain the weight back. When you lose weight without exercising, you lose muscle. When you gain the weight back, you gain fat. Be sure and consult your doctor.
Lose
low iron in the blood does neither
Yes, but you might gain it back just as quick
water wheight is the wheight you gain/ lose in fuids for example when you dfo a activity that makes you sweat alot you lose water wheight but you will gain that wheight back as soon as you drink something
Yes, but you'll gain the weight back faster than you put it on.
If that happens, you'll NEVER EVER get it back, its not like an original pc.
because your either pregnant or not exersiceing enough or your eating more than your losing
Neither lose nor gain.