Sweeteners, personally, cause great concern to me. No, I'm not talking about tales about the harmfulness of aspartame. I'm talking about an interesting effect. Such drinks do not contain sugar, but the body still needs it. And a person will still consume as much as he likes, only with other products. And the body requires a little more than it actually needs: a person has not been starving only for the last 60 years, which, compared with its entire history (about 400,000 years), is not even an instant.
In general, it is better not to get hung up on one thing: lifestyle is a complicated thing and balance is needed for comfort. So it's better to eat whatever you like, but in moderation.
Of the entire composition, only harmful to the teeth: orthophosphoric acid, which is used to etch (remove the smeared layer) of enamel and dentin before filling teeth, which is harmful. Now dentistry, as far as I know, is trying to avoid using such a tool. With regards to simply life, and not the intervention of a doctor, such a process is called demineralization and will act on all teeth at once. My concern is still caused by aspartame, by the way, but not because of the teeth.
By There is a simple rule about weight: if you eat more than you spend, you will gain weight. With rare exceptions, this is how it works. I don’t want to offend you, but usually a question asked in this way contains the context “will I stop gaining weight if my diet is the same, but the drinks will be“ dietary ”, combined with the thought“ this is all because of the cola. ”And good , if the truth is only cola is guilty, just giving up on it altogether would be an incredibly easy decision. Something like that.