Does Marijuana Have an effect on Weight Acquire or Bone Density? 


Are the obvious antagonistic results of heavy hashish use on the bone simply as a result of customers being thinner? 

It’s been acknowledged for many years that cigarette smoking can have “a significant impact” on bone well being, “rising the lifetime threat of hip fracture by about half.” It additionally seems to impair bone therapeutic, a lot in order that surgeons ask if they need to discriminate in opposition to people who smoke as a result of their bone and wound-healing complication charges are so excessive. What about smoking marijuana?

As I focus on in my video Results of Marijuana on Weight Acquire and Bone Density, “There’s accumulating proof to recommend that cannabinoids [cannabis compounds] and their receptors play essential roles in bone metabolism by regulating bone mass, bone loss, and bone cell perform.” Okay, however are they “pal or foe?” 

“Outcomes from analysis on cannabinoids and bone mineral density in rodent fashions have been inconsistent. Some research present elevated bone formation, others have demonstrated accelerated bone loss, and but others have proven no affiliation. This variation in outcomes could also be due [in part] to variations within the mouse pressure, intercourse, age…” For those who can’t even extrapolate from one mouse to a different, how are you going to extrapolate from mice to human beings?

What if you happen to simply measure hashish use and bone mineral density in folks? Researchers examined hundreds of adults and requested them about their hashish use. There didn’t look like any hyperlink between the 2, which is a aid. Nevertheless, on this research, “heavy” hashish use was outlined as simply 5 or extra days of use within the earlier 30 days. The researchers didn’t ask past that, so, theoretically, somebody who smoked simply 5 joints of their whole life might be categorized as a “heavy person” in the event that they occurred to make use of it 5 occasions within the final 4 weeks.

How about hashish use on 5,000 separate events over a lifetime? Now that’s a heavy person—a long time of normal use. In that case, heavy use was “related with low bone mineral density and an elevated threat of fractures”—about double the fracture price presumably as a result of decrease bone density within the hip and backbone, though heavy hashish customers have been additionally thinner on common, and thinner folks have lighter bones.

Hip fracture threat goes down as our weight goes up. Practically half of underweight ladies have osteoporosis, however lower than 1 % of overweight ladies do, which makes complete sense. Being overweight forces our physique to make our bones stronger to hold round all of that further weight. That’s why weight-bearing train is so essential to consistently put stress on our skeleton. In relation to our bones, it’s use it or lose it. That’s why astronauts can lose a % of their bone mass each month in “long-duration spaceflight.” Their our bodies aren’t silly. Why waste all that vitality making a robust skeleton if you happen to aren’t going to place any weight on it? 

So, possibly the explanation heavy hashish customers have frailer bones is as a result of they are typically about 15 kilos lighter. Wait a second. Marijuana customers are slimmer? What in regards to the munchies? “The decrease BMI that was noticed in heavy hashish customers at first sight appears counterintuitive,” given marijuana’s urge for food stimulation, however this isn’t the primary time this has been famous. 

“Standard tradition generally depicts marijuana customers as a sluggish, torpid, and unproductive subculture of compulsive snackers,” and marijuana has certainly been discovered to extend meals consumption. A single hit can enhance urge for food, so that you’d anticipate weight problems charges to rise in states that legalized it. However, if something, the rise in weight problems appeared to sluggish after medical marijuana legal guidelines have been handed, whereas it appeared to only preserve rising in different states, as you possibly can see within the graph under and at 3:45 in my video

The explanation pot people who smoke might be slimmer is due to the impact of smoked marijuana on metabolism. We’ve recognized for greater than practically 40 years that inside quarter-hour of lighting up, our metabolic price goes up by about 25 % and stays there for a minimum of an hour, as you possibly can see under and at 4:04 in my video. So, that could be enjoying a task. 

Is that why heavy hashish use is related with decrease bone mineral density and elevated threat of fractures? As a result of customers simply aren’t as chubby? No. Even when taking BMI into consideration, heavy hashish use seems to be “an impartial predictor” of weaker bones.

I initially launched a sequence of marijuana movies in a webinar and downloadable digital DVD. There are nonetheless a number of movies popping out over the subsequent yr, however if you happen to missed any of the already revealed ones, see the associated posts under. 

For extra on bone well being, try the associated posts under. 


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