The Mediterranean diet prioritizes fish over other meat sources.
The Mediterranean diet prioritizes fish over other meat sources. “Fish and shellfish provide high-quality protein, omega-3 fatty acids that promote heart and brain health and help fight chronic inflammation, and several vitamins and minerals, including vitamin D and selenium,” Ward says. “Coldwater fish, such as salmon, have more [healthy] fats than warmer-water fish, but all seafood offers some omega-3s.”