According to an attending I once had, the worst two "substances" that people take in are:
2. Soft drinks
This is up for a debate, but I see where he was coming from. The argument for cigarettes is pretty obvious, but soft drinks maybe not as much.
About three years ago, I gave up soft drinks. I used to drink a can of Coke every night with dinner, and I decided to stop doing that. Partially because it was a little horrifying when my child would take my empty Coke can and pretend to drink from it when I was done, but also because I slept better without pre-bedtime caffeine.
My husband continued to drink Coke BID, including at dinner with us. He decided to give up with nighttime Coke when I relayed a story to him about a conversation I had with our daughter when he was coming back from a trip:
Me: "What are you going to give Daddy when you see him?" (I was looking for hug/kiss as the answer)
Daughter: "A coke!"
It can actually be challenging to only drink water when dining out. It's fine in a restaurant, but say we go to the food court at our local mall. If you ask the vendors for a cup of water, they'll look at you like you just asked to get your whole meal for free. Then maybe they'll give you some tiny plastic cup half-filled with water, about one sip worth. Sometimes I'll beg for a real cup, saying I'll pay for the cost of the cup.
The other option, of course, is bottled water. I hate buying bottled water. It's like $2 for something that tastes identical to the free stuff. Especially Dasani, which is like filtered tap water. It's an outrage that I have to pay more for water than for a soft drink.
Anyway, I'm getting a little off-topic here, but I do think it's wrong how soft drinks are forced on us.