Cannabinoids may cause antitumor effects by various mechanisms, including induction of cell death, inhibition of cell growth, and inhibition of tumor angiogenesis and metastasis.
So, while serum levels do not always increase, they did for a very short, brief snapshot (reflected in the 25% increase) but long term those 2 metals are tied up, (if they got past the low pH bonding expulsion out of the body) in the inhibition pathways for cell synthesis of cholesterol.