Can you lose weight by not eating carbs?

yes but it can also kill you carbs are also brain food you need some Answer No, of course it cant. There are many people who have no carbs and havent died, in fact it is a huge leap to say it can kill when there is not one actual or even suspected case of this being so. This does not however mean you should strive to no carbs. As the above poster points out it is the main and preferred source of energy for the brain, but if not available muscle and fat will be converted and used Try not to confuse NO carb with LOW carb.....there is a difference