WHICH MATTERS MORE FOR LONGEVITY—OUR GENES OR OUR DAILY CHOICES? In my family—like many, I suspect—we’ve seen our share of health struggles. Two of my grandparents dealt with heart disease. My father had balance problems, and my mother faced both Alzheimer’s and breathing issues. Now, as I grow older, I find myself wondering: will my future health and lifespan be shaped more by the genes I inherited or by the choices I make every day? That question led me to a brief, insightful piece in the Harvard Health Letter (May 1, 2025) by Anthony L. Komaroff, MD, Editor in Chief,...