Link above is to NEJM Journal Watch article.
Conclusions and Relevance In this large prospective study, higher plant protein intake was associated with lower total and CVD-related mortality. Although animal protein intake was not associated with mortality outcomes, replacement of red meat protein or processed meat protein with plant protein was associated with lower total, cancer-related, and CVD-related mortality.
JAMA Internal Medicine article (Free abstract)
Note: Study focused on Japanese adults.