The major hormones that are responsible for normal calcium homeostasis are parathyroid hormone and 1,25-dihydroxyvitamin D; these hormones control extracellular fluid calcium on a chronic basis.
Interesting enough, the byproduct of marijuana that actually is stored anywhere in the blood stream is also the main hallucinogenic and pain relief property THC. THC is interesting in that it will store itself in the bodies fat deposits.