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6 votes

How does breastfeeding protect the mother's bones?

I can understand your confusion, since the literature has confounding data. However, I would suggest that you expand your reasoning beyond only thinking about calcium demand and consider hormonal ...
Thomas TJ Checkley's user avatar
5 votes
Accepted

To what degree does a Vitamin D course mitigate the effects of Primary Hyperparathyroidism?

If you see a low vitamin D level in conjunction with a raised PTH level, then I think you need to think secondary hyperparathyroidism (HiPTH). But since vast numbers of most western populations have ...
Graham Chiu's user avatar
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3 votes
Accepted

Calcium and iron absorption

Stomach acid helps to get iron absorbed from food. Calcium supplements in the form of calcium carbonate will lower stomach acid levels and thereby impede iron absorption. One can avoid that problem by ...
Count Iblis's user avatar
  • 2,270
3 votes

Do adult humans need to drink milk

http://www.ncbi.nlm.nih.gov/pubmed/27271361 This study expands on the possibility of certain metabolites found in dietary milk may contribute highly to Single Nucleotide Polymorphism SNP formations. ...
Christopher S Park's user avatar
3 votes
Accepted

Do dietary calcium recommendations take into account incomplete intestinal absorption?

They've taken into account absorption, which makes sense as these are guidelines meant for people to use to calibrate their diets. Reference (15) in the recommendation you link takes is: Department of ...
Bryan Krause's user avatar
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2 votes

Supersaturation vs Undersaturation of the Urine | Kidney Stones

If you have kidney stones or you are at increased risk of developing them, ask a doctor if your urine is super- or under-saturated with any substance, such as calcium, oxalate, uric acid, cystine or ...
Jan's user avatar
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2 votes
Accepted

Can zinc (over)supplementation cause hypocalcemia?

There seems to be no evidence that zinc supplements would cause hypocalcemia in humans. According to the study Effect of zinc supplements on the intestinal absorption of calcium (PubMed, 1987), ...
Jan's user avatar
  • 15.9k
2 votes

Calcium and iron absorption

There doesn't seem to be a problem when you look at iron status so there may be other mechanisms at play that compensate for the effect of calcium on iron absorption. Studies on human subjects have ...
Graham Chiu's user avatar
  • 13.3k
2 votes

Are dairy products effective sources of calcium?

First of all, I'm not sure whether the question is answerable at all without a more detailed scenario. So we have: Ca²⁺ excretion increasing with excess protein This seems to be linked to ...
cbeleites's user avatar
  • 1,185
1 vote

How fast can serum calcium, magnesium and potassium levels change?

Answer: Blood levels for electrolytes are maintained by homeostasis in most people, primarily in the kidneys. But they can actually vary quite widely within hours - depending on health conditions ...
DoctorWhom's user avatar
  • 5,814
1 vote

Effect of acidic fruits on bone calcium

Arguments that suggest that there exists a rather trivial vulnerability in the human body that would be relevant even if you stick to a healthy lifestyle, should a priori be considered to be unlikely. ...
Count Iblis's user avatar
  • 2,270

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