My grandparents lived well into their 90s. All you have to do is eat well and try to be active from time to time.
But there is a growing weightlifting movement with a healthy marketing budget...
The article lists beef as it's first source of protein besides protein shakes. Beef is a class 2A carcinogen. I stopped reading there.
That's really the part you took issue with? That's a list of protein examples, not "it's first source of protein." It even says "any form of protein is likely to be effective."
Fake HN outrage?
It goes on to say "On the other hand and conveniently, any type of and time for protein was fine. The gains were similar if people downed their protein immediately after a workout or in the hours earlier or later, and it made no difference if the protein was solid or liquid, soy, beef, vegan or any other."
To give some context red meat is on the same list as:
Hairdresser or barber (occupational exposure as a)
Shift work that involves circadian disruption
Very hot beverages (more than 65℃)
High-temperature frying, emissions from
Household combustion of biomass fuel (primarily wood), indoor emissions from