This has not been my experience at all. For me, I had hand and wrist issues until I stuck with an ergonomic keyboard (Kinesis Advantage2). It's been like 6-7 years now and I've had no problems since.
I've used an Imak Smartglove w/ Thumb for more than a dozen years. It helps a lot. Also a Kensington Expert Mouse, a keyboard tray, and a Steelcase Leap v2.