Men had a mustache is very normal thing, but from a health point of view, a beard is too long is detrimental.
Because the beard itself has the characteristics of absorption of harmful substances. In breathing, can emit a variety of harmful chemicals, but can be stuck in the beard, the atmosphere containing heavy metal particles, especially in the busy streets, vehicle exhaust emissions of polycyclic aromatic hydrocarbons, lead will be beard adsorption; smokers, smoke carcinogen benzopyrene, etc., will remain in beard. These harmful substances adsorbed on the beard, as the person’s breathing will be sucked into the mouth, nose, causing the cycle of health hazards, as if placed in the nose and mouth on a “source of pollution.”
In addition, the beard is too thick too dense, but also adsorption of many of the bacteria, dust and food residue and other dirt on the person’s health is also adversely affected.
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