The phrase "health ramifications" means the consequences or impacts on a person's well-being and body due to a certain situation, condition, or behavior. Full definition
Though still tentative, the possible health ramifications of these theories have not gone unnoticed. (discovermagazine.com)
But moving from 2,500 steps a day, say, to 5,000, is a small but important victory for people who don't get any exercise, and can have important health ramifications. (health.com)
I'm also not a fan of gluten or wheat, but gluten free grains (millet, real wild rice, etc) don't have the same health ramifications that wheat does. (sweatlikeapig.com)