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The Truth About Calcium Supplements and Osteoporosis

Mar 28, 2024 · 77K views · 2K likes · 129 comments · 279 shares

Video link

AI Search Summary

This debunking video responds to the argument that calcium supplements must cause osteoporosis because many older adults in aged care take calcium and still have osteoporosis. It explains the difference between correlation and causation, using age-related bone-density decline and a desert/water analogy to show why an intervention can be common among people with a condition without causing that condition.

  • Main question: Do calcium supplements cause osteoporosis because many older adults with osteoporosis take them?
  • Short answer / core takeaway: That argument confuses correlation with causation; calcium supplements may be used by people at higher risk and may not fully prevent osteoporosis even if they help in some contexts.
  • Evidence type: Debunking, causal reasoning, bone-health context, and reference to a fuller calcium-supplement evidence breakdown.
  • Search topics: calcium supplements osteoporosis, Barbara O’Neill calcium claim, correlation versus causation, osteoporosis bone density, calcium supplement evidence.

Common Search Questions

Does seeing people with osteoporosis take calcium prove calcium caused it?

No. People may take calcium because they are older, at higher risk, or already have low bone density. Seeing supplement use among people with osteoporosis does not prove the supplement caused the condition.

What is the main reasoning error in the claim?

The error is confusing association with causation. An intervention can be common among affected people because they are trying to manage or reduce risk, not because the intervention caused the problem.

Do calcium supplements fully prevent osteoporosis?

The video does not claim calcium fully prevents osteoporosis. It says even if supplements attenuate bone-density decline, they may not entirely stop age-related decline or fully cure osteoporosis.

Where is the full calcium evidence breakdown?

The caption points to an earlier calcium supplement video/page for a fuller breakdown of the argument and evidence behind calcium supplementation.

Key Takeaways

  • Bone density tends to decline with age, although not everyone crosses into osteoporosis.
  • Calcium supplement use among older adults with osteoporosis does not prove causation.
  • A treatment can be incomplete and still be useful or worth studying.
  • The desert/water analogy explains why people using an intervention may still have the underlying problem.
  • The page should be connected with the earlier calcium supplement evidence page.

Transcript

The claim being debunked

“Do not take calcium supplements, whatever you do. Have you noticed in aged care, all the old people are on calcium supplements and they have all got osteoporosis? Now do the maths.”

Do the maths? Do the maths? Did you do the maths?

Why the logic fails

Hear me out here. Let’s say that bone density goes down with age for everyone, which it basically does. Not everyone actually goes below into the osteoporosis level, but it does drop.

Now, let’s say that calcium supplements attenuate that. Maybe they do not entirely stop it, but let’s say they reduce the decline.

So if you were to see all the old people with osteoporosis on calcium supplements, that does not mean the calcium supplements cause the osteoporosis, just that they do not fully cure it.

Desert-water analogy

It is like saying that everyone walking through a desert is thirsty, and all those people are continuously drinking water, so it must be that the water is making them thirsty because it is missing some sort of key nutrient.

Or maybe it is just a desert.

Full evidence context

I have a full video on all of her calcium supplement claims, and they get pretty wild. But this little clip just popped up for me again, and I had to rant.

Additional Notes

Caption context

The caption points viewers to the first video for a full breakdown of the argument and the evidence behind calcium supplementation.

Hashtags: #science #debunking #health #barbaraoneill

Keywords and topics

  • Calcium supplements
  • Osteoporosis
  • Bone density
  • Correlation versus causation
  • Health misinformation debunk

References