How far back on your tounge do I brush to help eliminate bad breath?

bad breath
Adam B asked:

So I have bad breath and i’m trying to work on it. I brush twice a day and use mouthwash twice a day and I still have very bad breath!!!! Help? I know brushing your tounge can help and I think I need to brush farther back, but I can’t because anymore and i’ll touch my uvula. Is that too far back? Can anyone help with bad breath in general?

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