Isn't it supposed to make your breath smell? I heard it gives you that sickly sweet aroma of decay....
That's only if you go into ketosis for a long period of time.
I personally don't believe in "diets" and I don't believe in restricting or eliminating one certain food group. I believe in
balance, not
deprivation.
Carbs don't make you fat. Excess calories make you fat.
Period.
However, everyone is different and some find they do better on low carbohydrate diets (although you should never completely eliminate them) which is understandable because a diet super-high in carbs can shoot your blood sugar through the roof. I'm hypoglycemic and have to watch how much carbohydrate I take in, especially in one sitting, because it screws with my sugar too much if I overload.
That and diabetics need to watch their carbs as well. Many foods, like white bread, white flour, white rice, etc, can cause horrendous spikes in blood sugar and diabetics, especially, have to be careful with that.
I personally don't believe cutting carbs promotes weight loss, though. Unless you're gonna do it for life, it's not realistic. Most of the initial weight lost on a low-carb diet is water. You can drop 5-7 pounds of water weight alone by eating very low-carb. The reason I say it's not "realistic" is because many people find such a diet hard to stick to. I mean, who the hell wants to go the rest of their lives without potatoes, pasta and bread? So eventually you're going to sneak that stuff back in there. And the water weight you lost will come right back. Most people who lose a bunch of weight doing low carb, once they go back to the way they were eating before (and a large percentage of them do) they put back on what they lost and then some.
I'm not saying low-carb doesn't WORK for weight loss. I'm just saying that it's not very realistic to assume you can eat this way forever. Your body NEEDS carbs. Especially if you work out regularly.
So to each his own, everything works differently for different people. But I'm going to agree with the ones in this thread that have stressed MODERATION. Balance everything. I'm careful about what I eat and how much. I make sure I get enough protein AND carbs. But I never overload on anything.