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Calcium supplements are a flawed insurance policy

Posted by Dr Sandy on in bones | 582 Views | Leave a response
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Calcium supplements are a flawed bone health insurance policy

calcium sitting in blood vessel

Bones are “made” of calcium, by taking a calcium supplement, logic says, more calcium is going in, giving you stronger bones. Actually THIS DOES NOT HAPPEN !

You’re worried about your bone health…..

Because, bones are “made” of calcium, you opt to get a little extra calcium, by taking a calcium supplement,  logic says, more calcium going in……

Means more calcium goes into your bones.

So you bones are stronger.  Yah !

But, this assumes, the extra calcium, goes into your bones ?   Does it ?  This is the question, the folks at the Kingston Study Centre, in Canada, asked.

Now to answer this question, they needed to be able to “see” where the calcium was going….

Tracking calcium

It’s pretty easy to “see” calcium, in someone’s bones. Bone mineral density, is a reflection of how much calcium is in them.

But, it is also possible to “see” calcium” in blood vessels………….

Now the fancy pants, state of the art way, to do this, is to use computer tomography and get a CAC (coronary artery calcification) score.

Unfortunately, our team did not have access, to one of these machines, so they resorted to a more traditional approach……..they looked at X-rays of the lateral spine.

Plan B

Lateral spine X-ray

Photo credit : Science direct topics – calcification

Instead of focusing on the bone, they focused on the main blood vessel, carrying blood out the heart, the aorta.  They carefully scored the calcium content, in four segments of the aorta, deriving, the abdominal aortic calcification (AAC).

The way this  scoring works :

No calcium build up, gets a score of 0, as the calcium build up, increases, so does the score, topping, out at 3, for the worst case scenario.

Calcium builds up

Our team,  “looked” for calcium in 296 “ordinary” senior Canadians, at the start of the study and then again, 5 years later.

They found, calcium builds up, over time.

On average, the score increased by 1.86 ± 3.24 points, over 5 years.

But, the rate of increase, showed quite a bit of variability.  Some people, showed, little to  no progression and others, the progression was “accelerated”.

The speed wobble

Using the answers to an interviewer-administered questionnaire, done at the start of the study, the team, explored, what might account for the “accelerated” progression.

Here is part of the multivariable model of aortic calcification they generated,  specifically for women.

Multivariable model

Multivariable model of aortic calcification progression in females. Copyright 2019 Elsevier B.V.

NOTE :   When something is  on the right hand side of the dotted line, is shows the factor, accelerates AAC.

Getting old, was the biggest driver of aortic calcification.

The other big driver………….. was BAD BODY CHEMISTRY.

No surprises here. Where the surprise came, the people who were taking a calcium supplement,  showed an increased rate of aortic calcification.  The effect was particularly noticeable in women.

calcium supplement use and AAC

Progression of aortic calcification based on calcium supplement use. © 2019 Elsevier B.V.

AWOL calcium

These results suggest,  that some of that  extra calcium,  was going into the blood vessels.  But,  no worries, the bones were still benefiting, right  ?

Not exactly.  When the team looked at bone mineral density,  it had declined, in both the supplement takers and non-supplement takers…..

TO THE SAME EXTENT !

calcium supplementation and bone mineral density

Bone mineral density changes by calcium supplement use. © 2019 Elsevier B.V.

Taking a calcium supplement, had not afforded ANY bone protection. WTF !   Let’s review the biology…………

Bones STORE calcium

This calcium, is then made available to the body, as needed. The parathyroid gland, has special sensors, that monitor calcium levels, when it detects that calcium levels, in the blood,  are low,  parathyroid hormone is released.

 Parathyroid hormone’s chief job, is to makes sure, calcium deliveries are made.

If, the supplies of calcium, are compromised, because the is little to no, calcium in the diet,  the parathyroid hormone, MAKES A PLAN.    It reaches into the bone cookie jar, to meet the calcium need.

parathyroid reaching into the bone cookie jar

If this happens on a continual basis…………  bone health, is compromised.

So putting more calcium in, under these circumstances,  makes sense.

But,  it doesn’t when,  calcium levels are adequate…

When bone stores are adequate

The people in this study, were not calcium deficient per se.  Both calcium supplementers and calcium non-supplementers were consuming calcium.

On average, they were consuming 834.0 mg ± 461.9 mg/day from their diet.

So there was  …..

No calcium shortage

And as such,  it is a little naïve, to think, the extra calcium, would end up in the bones.  This study, confirms, it won’t……………

Calcium must be processed

In the best case scenario, the extra calcium, ends up in the sewer and in the worst case scenario, it end ups, in the arteries…………leading to

Hardening of the arteries

Inflexible blood vessels

When we think of heart disease, we typically think of cholesterol, clogging up the arteries.  But, one of the things that characterizes heart disease, is the blood vessels, lose their elasticity.

It is this inflexibility, that makes them vulnerable to blocks.

the aortic twist

When a “block” happens, they can’t MAKE A PLAN…

Calcium is a two edged sword.

More calcium not the solution

The fundamental problem, for most older bones, is they’re just not as lively, as they once were.

a bone which is not short of calcium

They’re often  less stimulated and contending with bad body chemistry.

These are the issues you need to address, for better bone health !

Basically, you’ve got to give the calcium, somewhere to go.

Don’t fall for the marketing, turning your blood vessels into bone, won’t create BETTER BODY CHEMISTRY and BETTER HEALTH, in the long run.

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Changes in vascular calcification and bone mineral density in calcium supplement users from the Canadian Multi-center Osteoporosis Study (CaMOS).  Atherosclerosis 2019 Dec 16. pii: S0021-9150(19)31609-0 Maggie Hulbert, Mandy E. Turner, Wilma M. Hopman, Tassos Anastassiadesa, Michael A. Adams, Rachel M. Holden.  

Further reading

tired bones not so strong

Sleepy heads have sleepy bones which doesn’t bode bone well

Sleep deprivation contributes to ….metabolic problems, thinking problems , behaviour problems, bedroom problems and now…..BONE PROBLEMS.

mesenchymal stem cell having to choose

Are your stem cells choosing to be fat cells rather than bone cells ?

Mesenchymal stem cells are programmed with the ability to become bone cells or fat cells. Your body chemistry defines their destiny.

plastering the blood vessel with calcium

Calcium supplements are building bones and breaking hearts

More of something is not always better – research suggests calcium supplements are packing too much of a punch leading to heart attacks and strokes

 

Want to discover more ways to create BETTER BODY CHEMISTRY ?

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Posted in bones | Tagged AAC score, bone health, bone protection, bones, CAC score, calcium, calcium supplements, hardening of arteries, osteoporosis

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Dr Sandy Dr Sandy Evans, PhD

Located in Johannesburg, South Africa

Disclaimer : The stories and articles are provided as a service. Dr Sandy's opinions are for information only, and are not intended to diagnose or prescribe. For your specific diagnosis and treatment, consult your doctor or health care provider.
 

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