Bad Breath Halitosis Forum

Hello, First of all, this isn't a troll post, it seems that the smell of my breath is so strong that it enters my neighbors apartments through ventilations and perhaps even cracks in walls, floor, roof because it usually starts to smell like strong perfume in my apartment after i've eaten, brushed t...

Oranges are high in vitamin C, i've read that vitamin C (and D) deficiency can cause bad breath.