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THC builds up in body’s fat cells

- Keith Roach, M.D. Readers may email questions to: ToYourGood­Health@med .cornell.edu or mail questions to 628 Virginia Dr., Orlando, FL 32803.

Dear Dr. Roach: Iam a 68-year-old male who has used cannabis for 51 years. During that time span, I graduated from high school and college with two bachelor’s degrees and two master’s degrees, and I spent 35 years as an accomplish­ed educator, motivation­al speaker and author. I have been married to the same person for 31 years and have a wide circle of friends.

Once I began to notice a loss of motivation and diminished memory, I became proactive and decided to give up cannabis. I have had no trouble quitting cold turkey and have no desire to return to using it.

After 10 weeks of not using, I still test positive for the metabolite­s using THC testing strips.

To aid in the process, I drink half a glass of lemon juice in the morning, drink two gallons of water or detox tea a day, cut red meat and dairy from my diet, spend an hour a day on the treadmill, and spend 40 minutes in a steam bath.

How long should I expect to continue testing positive? Is there anything else I can do to speed up the passing of the metabolite­s? Anon.

Answer: The active form of THC, the primary chemical in cannabis that causes the psychoacti­ve effects (i.e., the effects for people to feel “high”), accumulate­s in the fat cells, where it can be stored for long periods of time.

Research in laboratory animals confirms that losing weight over the long-term (meaning more than a few days so that a person is using fat as fuel) releases the stored THC from the fat, making it more likely that a urine test will be positive in people who are losing weight (which might be the case with you, given your exercise and diet).

I can’t give you any evidence-based answer on how long you will continue to turn positive.

I don’t think drinking water and tea, nor the steam bath, are significan­tly helping you get rid of the accumulate­d THC in the body, but the diet and exercise changes probably are, if you are losing fat, as I suspect. Even if you aren’t losing weight, you may be getting more muscular from exercise and losing fat.

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