How do I keep my turbo engine healthy?

Could you elaborate on the steps one should take to maintain a turbocharged engine in optimal condition? Are there specific maintenance intervals I should be aware of? What about the type of fuel and oil used? Do I need to be mindful of driving habits, such as avoiding sudden accelerations? Also, what should I look for when inspecting my turbocharger for potential issues? And lastly, are there any common misconceptions about turbo engine maintenance that I should be wary of? I'm keen on ensuring my turbocharged vehicle remains in good health.