Memo to mom and dad. While the goal of parents everywhere is to ensure their children survive into adulthood intact, many may be unwittingly putting their kids at risk. Speaking to The Post, a board-certified pediatrician shared five ways you could be inadvertently setting up your kid for longterm health problems — and even shortening their life. Mistake #1: Using a front-facing car seat Parents frequently switch from rear-facing to front-facing car seats when their child meets the minimum