Alzheimer’s disease and heart disease are two of the most significant health challenges we face today — and top the list of conditions my patients want to avoid. But what if these two seemingly separate conditions were more connected than we ever thought?

When we think of Viagra, erectile dysfunction comes to mind. But past research has found it may be helpful for myriad conditions, most recently, two specific lung conditions. All because it helps improve blood flow (obviously to places other than the penis)…