Living a brain-healthy life is not just to reduce the risk of dementia and other serious health issues, but also to improve the quality of your life and brain performance now. Investing in brain health will cost you nothing but time and effort, suggests Sabina Brennan, and here she offers a 100-day rotation of steps that are simple to follow. Among the vital components of this program are planning out physical activity and heart-health practices, assessing your stress levels, creating a sleep profile and plan, and building and maintaining a social life for the sake of your emotional wellbeing.