All you have to do is to scrape a little bit of buildup from the surface of your tongue, using a spoon.
You will only need a plastic bag and a spoon.
In this method, you can test if the respiratory system, intestines, hormones, metabolism, kidney or teeth are in the best condition.
All you need to do is to scrape a little bit buildup from the surface of the tongue, using a spoon. While doing so, keep in mind that you to take a sample (deposit) that is closer to your throat.
Then, wrap the spoon in the plastic bag and let it stand for 60 seconds under a strong, light bulb. The strong light from the bulb helps to develop bacteria, the stronger the light, the better the result.
In a healthy individual, the deposits will remain clean. If there is a unusual color and odor, it can be an early signal of a problem with the lungs and the respiratory tract, kidneys, intestines or hormones.
In case you get such a result, it is desirable to visit your doctor to see if and where there is a problem.
Furthermore, this test can reveal whether you have a bad breath, a problem that many individuals are unaware of. Simply smell the saliva. If there is a smell reminiscent of ammonia, you may have a problem with the kidneys. If it has a fruity odor, it can be a metabolic disorder, or ketoacidosis.
In any case, do not panic immediately, odor does not necessarily mean a disease of the internal organs. It could be an issue with your teeth, cavities or broken teeth.