sentence_1: Areas of potential use for stem cells include Parkinson's disease, Alzheimer's disease, osteoarthritis, rheumatoid arthritis, diabetes, spinal cord injuries, stroke, and heart disease.
sentence_2: Stem cells hold potential to treat conditions such as Alzheimer's disease, Parkinson's disease, stroke, spinal cord injury, heart disease, diabetes, burns, rheumatoid arthritis and osteoarthritis.