Is it safe to drink 3 or more glass of milk a day?

The recent study of professor Karl Michaëlsson come to a conclusion that

High milk intake was associated with higher mortality in one cohort of women and in another cohort of men, and with higher fracture incidence in women. Given the observational study designs with the inherent possibility of residual confounding and reverse causation phenomena, a cautious interpretation of the results is recommended.

This research support Fork over Knives theory that excess animal protein intake can cause health problems.

References:

BMJ 2014;349:g6015

Fork over Knives