“Cancer, dementia, all these diseases that we see as humans age occur in dogs,” she told the publication. But dogs age a lot faster than humans, she noted, so “we can get a ton of information that would take decades to [gather] in humans”.
Article source: https://www.huffingtonpost.co.uk/entry/why-big-dogs-age-faster-dna-study_uk_6ace3bebe4b0447f8d488fae