The dreaded hair test is one of the most used tests for finding drug users. It’s less invasive and takes less time than urine and blood tests, but it’s also controversial and has been known to cause false positives — even coming in contact with smoke can be enough to mess up your results. But until this issue is sorted out, it’s worth knowing exactly how hair tests work, especially for one of the most common drugs around: weed.
How does weed get in my hair, Anyway?
The final concentration of the chemical in a sample of hair gives the final verdict. The “confirmatory level” of THCA that Quest Diagnostics uses is 0.1 picograms per milligram of hair. Anything above that pretty much confirms you’ve used marijuana in the past three months.
How does hair testing detect THC?
When you smoke, vape, or eat marijuana, all you’re really doing is facilitating the release of the drug’s active compounds into your bloodstream. Once they’re in your veins, these cannabinoids ride the blood highway to the cannabinoid receptors on the body’s cells, where they bind and exert their effects. Along the way, some of the cannabinoids — metabolites of psychoactive THC are what most tests look for — enter the blood vessels that feed the cells of the scalp. There, at the interface between the vessel and the follicle cells known as the hair papilla, THC jumps the gap, entering the matrix, where actual hair growth occurs. Over the next couple of weeks, the hair from the root sprouts upward, carrying THC past the scalp, where it becomes fair game for testing for the next three months.
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Nutritional link between cannabis and hair loss.This study found that people who regularly used different drugs and cannabis preferred salty and sour tasting food, whilst daily cannabis and tobacco users had a higher preference for sweet and spicy tastes.
When your follicles don’t receive the blood they need for nourishment, the hair growth cycle is interrupted. This forces hair follicles to move prematurely into the Telogen or resting phase until the scalp becomes a better environment for healthy growth. And there are lots of natural ways to improve the health of your scalp, including Daily scalp massage Essential Oils and It Really Works Vitamins
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Marijuana and lifestyle changes
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So does Cannabis or Marijuana cause hair loss or hair growth?
So let’s discuss the various ways Marijuana can cause or speed up hair loss:
Telogen – This phase begins with a resting period, where club hairs rest in the root while new hair begins to grow beneath it. This phase lasts for around 3 months. After this time, the resting club hairs will fall out to allow the new hair to come through the hair follicle.
They found that young men in particular were prone to some of the more negative effects of smoking this drug and hair loss was one of them.
From medications to lifestyle tweaks, there are plenty of ways to curb hair loss. Some treatments may even promote healthy hair growth. Here are six common treatment options:
As mentioned above, marijuana use can lead to ‘munchies,’ which don’t always involve the most healthful food options.
Cigarettes have been found to damage the DNA of your hair follicles, and smoke is a pollutant that can damage your hair.
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Some good sources of zinc include crab, cashews and oatmeal. To increase iron intake, add spinach, meat and seafood to your diet.