Here is the [study] (https://www.sciencedirect.com/science/article/pii/S240545772400038X) (N=1.8 million)
Conclusions
This MR study demonstrated no significant causal relationships between red/processed meat intake and the risk of the four CVD outcomes examined. Further investigation is warranted to confirm these findings.
Coverage of this on Epoch Times
Here is an older study (N=29 682) that claimed to have found correlation between redmeat and heart diseases.
I would guess it dehydrates the cells somehow which is not good for you. If I drink coffee I feel my eyes are dryer. Probably true inside the body. A diuretic, flushes water out and makes you want to pee. IMHO.