An April 2021 study by Penn State said, 

"When you create a healthy diet built on fruits, vegetables, and other plant-based foods, it leaves room for moderate amounts of other foods like lean beef,”

"There are still important nutrients in beef that you can benefit from by eating lean cuts like the loin or round, or 93% lean ground beef."

"This study highlights the importance of including lean beef in a Mediterranean dietary pattern that can yield heart-healthy benefits."

"The Mediterranean diet is traditionally low in red meat,”

"But … we wanted to examine how combining lean beef with the Mediterranean diet would affect cardiovascular risk markers."

"This is important because there is growing evidence to suggest that LDL particle number is more strongly associated with cardiovascular disease risk than total blood LDL concentrations alone,”

"Our study helped illustrate the benefits associated with a healthy Mediterranean dietary pattern that embodies balance, variety and the inclusion of nutrient-rich components, which can include low to moderate amounts of lean beef,"