When it comes to health and fitness inspiration, senior citizens might not be the first group of folks that come to mind. However, there are a ton of over-the-hill women and men out there defying the odds and inspiring us with their strength, determination, and positivity. These individuals are each living proof that age ain't nothing but a number. If you've been having a tough time motivating yourself to get off the couch and to the gym, these grandparents' stories might be the swift kick you need.
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