Replacing an existing tub or shower with a walk-in tub is a home upgrade that can be worthwhile for older adults or anyone with mobility issues, but it’s not as simple as swapping one tub for another.

Dear Savvy Senior: Because of my back pain and mobility problems, I’m interested in getting a walk-in bathtub that’s safe and easy to use. What can you tell me about walk-in tubs? — Old and Achy Dear ...

Deb Hipp is a freelance health and medical writer and editor who lives in Kansas City, Missouri. She is a former investigative reporter with more than 25 years of experience as a journalist and writer ...