Whether you are playing acoustic or electronic drums; being mindful of the volume, and taking the appropriate precautions to protect your hearing is highly recommended. Simon shares some insight on what causes hearing damage, the longer term effects, and the importance of paying attention to this factor when learning the drums.
Helpful related articles.
How do I make my drums quieter?
Sound Control - Practical means of controlling drum set volume.
Electronic vs Acoustic drums - choose what's right for you.