https://ourworldindata.org/land-use-diets
"It is the position of the American Dietetic Association that appropriately planned vegetarian diets, including total vegetarian or vegan diets, are healthful, nutritionally adequate, and may provide health benefits in the prevention and treatment of certain diseases. Well-planned vegetarian diets are appropriate for individuals during all stages of the life cycle, including pregnancy, lactation, infancy, childhood, and adolescence, and for athletes." - American Dietetic Association
"A vegetarian or vegan diet can be suitable for everyone, regardless of their age." - NHS UK
"[I]t is possible to follow a well-planned, plant-based, vegan friendly diet that supports healthy living in people of all ages, and during pregnancy and breastfeeding." - British Dietetic Association.
"For adults, protein from two or more plant groups daily is like to be adequate. " - World Health Organisation
https://pubmed.ncbi.nlm.nih.gov/35719615/
Plant-based diets were protective against cancers of the digestive system, with no significant differences between different types of cancer, a meta-analysis based on 3,059,009 subjects
https://www.dutchnews.nl/2023/04/meat-tax-would-boost-health...
Meat tax would boost health and cut healthcare spending: research
https://www.foodingredientsfirst.com/news/over-17000-doctors...
Over 17,000 doctors call on White House to shape nutrition policy on plant-based diets