No, not usually. You would capitalize it if it is part of the title of something, or if it were the first word in a sentence. You might write a quirky story called The Photographer Who Shot The Bride, or you might be the Chief Photographer for the Quaintville Times. Otherwise, it would probably not be capitalized.
You should not capitalize a sentence fragment following a colon.
No, you should not. You should only capitalize a word when it is at the start of a sentence or when it is a proper noun.
When it is in the beginning of the sentence.
No. It's not necessary.
Unless it is the first word in a sentence, then you don't need to capitalize "tobacco."
No, you should not capitalize "anxiety" in a sentence unless it is at the beginning of a sentence or part of a title.
You should not capitalize a sentence fragment following a colon.
if you are starting a new sentence, yes you should. if you are using the word in the middle or at the end of the sentence, you shouldn't capitalize it.
No, you should not. You should only capitalize a word when it is at the start of a sentence or when it is a proper noun.
When it is in the beginning of the sentence.
Yes, you should capitalize "Hydrocodone" as it is a proper drug name.
No, only at the start of the sentence.
No.
No.
At the beginning of a sentence.
No. It's not necessary.
Unless it is the first word in a sentence, then you don't need to capitalize "tobacco."