The key is determining how to weed through the bad medicals thousands of published medical articles and developing judgment as to what is good science from what is quackery.
There are various chronic diseases which can also lead to bad breath as well. Various lung diseases or liver diseases, for example, can cause bad breath. And that isn't all the medical conditions that you could be suffering from that can cause halitosis some of which you may not even know medicals fake you have.
Back in the 1970's, DHA was approved by the FDA. Keep in mind this was only for topical applications, because who would have thought people would spray a fine mist years down the road. The development of issues started to arise thanks to the contact with the lips, lungs, medicals bad and fake other sensitive membranes, which of course meant it went to people's blood stream.
Children follow their parent's lifestyle. They eventually, pass that lifestyle on to their own children. That explains why this horrible addiction continues to grow. Yet, most people do not even know they have it. Four decades have turned it into a generational problem.
Just avoid them all together. The booths, the lotions, the topical cream or anything else that could possibly contain harmful ingredients should be avoided.
The information is also submitted to your MIB (Medical Information Bureau) file. Anyone who has access to the MIB files, now has access to all of that information. Who has access to the Medical Information Bureau records? Anyone, at any hospital around the United States, who has even a small amount of clearance, has access to the Medical Information Bureau records.