On the assumption that alcoholic drinks are 'hard' drinks. So non-alcoholic drinks are soft drinks.
Yes. Religiously observant Jews will only drink kosher soft drinks. Most major brands are kosher.
Because it is addictive.
Soft drinks are nonalcoholic canned or bottled beverages, usually carbonated, such as soda pop, lemonade, etc. Alcoholic drinks are called "hard drinks."
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