CRISPR gene editing in mice has been used to correct a mutation that can cause rapid ageing, dramatically improving the animals’ health and lifespan
Source:
https://www.newscientist.com/article/2264168-crispr-doubles-lifespan-of-mice-with-rapid-ageing-disease-progeria/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home