Which came first? The disease, or the vitamin deficiency?

Data shows that people with a wide range of diseases and health issues — from weight gain to multiple sclerosis — also have lower-than-normal levels of Vitamin D in their system. But a couple of new reviews of multiple studies suggest that the cause/effect relationship here might not be what we think it is. It's possible the lowered Vitamin D levels are a result of poor health, not a cause of it.

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  1. Ethel says:

    Again, duh. But, for those with malabsorption (because of celiac disease, gastric bypass, whatever), taking a supplement makes sense as the low vitamin levels are due to the inability to absorb properly so higher intake should be performed to compensate. Moreover, low vitamin D maternally has some impacts on fetal development that last into preschool age one should not rule out that vitamins might be a good thing for mothers and mothers to be.

  2. I'd agree with that, based on what I know. For instance, my infant daughter is on Vitamin D, at the recommendation of her doctor, because she's a pale skinned baby in a cold climate in winter and Vitamin D isn't transferred through breast milk. We call it the "no rickets drops". (Although, it's worth pointing out that pregnant women don't even need all the supplements they're taking in a pregnancy multivitamin.) But, pop culturally, I don't think the idea that vast swaths of the adult population don't really need vitamin supplementation is a "duh". In fact, lots of people seem to think the opposite.

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