Forefoot running has been scientifically proven to resolve and prevent all the injuries caused by heel strike running. And its even more efficient! Here’s why:

Why Cushioned Running Shoes And Heel Inserts Are Bad for the Achilles Tendon
Cushioned running shoes, even wearing heel inserts, results in a larger heel-to-toe offset which was found to encourage force-intensive mechanics straining to the Achilles tendon as compared with minimalist running shoes or running barefoot.