Taking care of babies or kids is better, because in them, there is a learning process and growth in mind. While older people, there mind and way of thinking is somehow static and may be they are already in needs of medical attention.
Thank you for your answer Hillary.
I would have to say both for me. Taking care of my kids to ensure they are well cared for and taking care of the elderly because they deserve the best care ever.
Thank you for your answer Phyllis.

Thank you for your answer Anna.