Most bad breath can be tracked back to a ‘dental’ cause. But bad breath can also be a sign of other diseases in the body.

Excess ammonia compounds in an exhaled breath may signal liver and kidney disease, elevated acetone levels can indicate diabetes and nitric oxide levels can imply asthma.

Scientists have recently come up with the ‘Breathalyzer’ which blasts a person’s breath with a laser light and detects molecules that may indicate the presence of such diseases.

Laser light can detect and distinguish specific molecules because different molecules vibrate and rotate at distinct frequencies that depend on their composition and structure.

So it should become easier to find out if your persistant bad breath is a sign of poor health rather than poor dental hygiene.

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