Interesting and lesser-known facts about human hair
There are many interesting and lesser-known facts about human hair. Here are a few:
Hair is incredibly strong
A single strand of hair can support up to 100 grams in weight. This means that the an average head of hair can support the weight of two elephants!
Hair grows faster in warm weather
Hair growth is influenced by temperature and other environmental factors. On average human hair grows about 0.5 inches per month, but this rate can be increase in warm weather.
Hair can contain traces of environmental pollutants
Just like other parts of our body, hair can absorb & retain environmental pollutants. This is why hair can be used as a biomarker for exposure to toxins.
Hair is not alive
While hair follicles are alive & actively growing hair, the hair shaft itself is made up of dead cells. This is why hair doesn’t hurt when it is cut
Overall, human hair is very fascinating & versatile part of our biology that having many unique & interesting characteristics.This complex topic that has many interesting facts & facets to explore
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