According to a news article posted by the Daily Mail in the UK, a report states that eating protein-rich foods every day help ward off heart disease.
People who eat around 75gm of steak or 100gm fillet of salmon show that they have lower blood pressure according to the article.
A good comparison, on average, each McDonalds burger patty is around 75gm so that is the amount of steak you should eat. Of course, the comparison is that a burger patty is sometimes related to it being processed meat.
Check out the full article in the link below.