What can cause REALLY BAD breath aside from a germy mouth?

bad breath
jade asked:

Okay, so my breath really stinks sometimes, and it’s not because i haven’t brushed… i always brush my teeth, tongue, the works. I do have my tonsils but they look pink, not white or bumpy. I don’t smoke, i don’t eat garlic or onions. It stinks so bad that people can smell it even with my mouth closed apparently the air that comes out of my nostrils smells too.
I think it’s something in my stomach, cause it does feel a little acid sometimes, but at others i don’t even feel it and people tell me i smell! Also, i don’t stink all the time. I don’t have rotten teeth or cavities. What could be causing this? What can i do to get rid of it?

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My friend has very bad body odour and breath?

bad breath
Chris N asked:

My friend has very bad body odour and his breath stinks every day, although he claims he showers and brushes his teeth daily. Is there any solution to this disgusting odour? And are there any methods of making him do something about it without telling him? Since we’re friends, i would not like to offend him even though he really smells. There is also a fish smell when I walk around him. I am assuming he doesnt clean his penis. Anyone got any ideas?

Thanks in advance

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