Rhonda Patrick· PhD
so there was a recent systematic review that revealed individuals with Alzheimer's disease also have significantly lower plasma magnesium levels compared to healthy controls so researchers looked at a lot of data from different sources like blood serum plasma the fluid around the brain the cerebral spinal fluid which helped them sort of be more confident about their findings however when they specifically checked the fluid the cerebral spinal fluid it wasn't entirely clear so um there was a hint that Alzheimer's patients might have lower magnesium in the cerebral spinal fluid but it wasn't as clearcut as in the plasma in the blood for example in serum