Older adults aged 70 and above who follow at least three healthy habits—such as not smoking, being physically active, drinking alcohol in moderation, and eating a Mediterranean diet—have a lower risk...

We analyzed the available evidence and found that older adults aged 70 and above who follow at least three healthy habits—like not smoking, staying physically active, drinking alcohol in moderation, and eating a Mediterranean-style diet—tend to have a lower risk of dying, developing dementia, or becoming permanently disabled over about six and a half years [1]. These individuals also appear to live longer without disability or cognitive decline. The evidence we’ve reviewed so far includes 59 studies or assertions that support this pattern, with none that contradict it. This doesn’t mean these habits guarantee better outcomes, but it does suggest a consistent link between adopting several healthy behaviors and living more years without serious health decline. The habits mentioned are not extreme or unattainable—they focus on everyday choices like moving regularly, avoiding tobacco, eating mostly plants and healthy fats, and limiting alcohol. We don’t know exactly how much each habit contributes on its own, or whether the benefits come from combining them. We also can’t say if starting these habits later in life produces the same results as having followed them for decades. The studies we reviewed tracked people over several years, but they don’t prove these habits directly cause the outcomes—they show a pattern that’s repeated across many groups. What we’ve found so far leans toward the idea that making a few simple, sustainable changes in older age may help people stay healthier for longer. It doesn’t promise immunity from disease or disability, but it does suggest that how you live day to day matters as you age. If you’re over 70, focusing on even a few of these habits—like walking daily, cutting out smoking, or choosing more vegetables and olive oil—could be one way to support a longer, more independent life.