“These data indicate that dairy consumption leads to systemic effects, which may promote mitochondrial biogenesis in key target tissues such as muscle and adipose tissue both by direct activation of SIRT1 as well as by SIRT1-independent pathways.”

Notice the word dairy is used, not milk. see our previous post on milkand its mTor activation and AMPK suppression.

https://www.ncbi.nlm.nih.gov/pubmed/22185590