Living longer is mostly down to lifestyle factors, but after age 80 it’s down to something else, as genetics then tend to have a greater influence on longevity. Maintaining a healthy lifestyle, including exercise and diet, can be crucial to your quality of life. However, a woman who lived beyond 90 suggested that her food and habit choices didn’t negatively impact her all that much. Science says after the first eight decades of your life, healthy lifestyle choices aren’t the only thing that can make you live longer. Living longer is down to lifestyle before genetics take overA grandmother, Che…