The idea of losing your memory or experiencing cognitive decline is terrifying, and many people assume it’s just an inevitable part of getting older. But the actual science shows that your everyday choices play a massive role in protecting your brain. In this episode of Aging Decoded, co-hosts David and Liz skip the medical jargon to break down the reality of dementia prevention and how to build a resilient mind.

We look at the daily habits that build "cognitive reserve"—acting as a literal buffer to keep your brain sharp. We discuss why physical exercise is crucial for pumping blood to brain cells, the specific types of foods that protect neurons from damage, and the underrated impact of deep sleep and stress management on clearing out cellular waste. More importantly, we talk about the massive danger of social isolation and how s ...