It is well known that as we age, our brain naturally undergoes changes. This in turn can affect our memory, focus, and cognitive speed. However, some research and studies shows that small, consistent daily habits can have a huge impact on our brain health and improve it too– thus delaying cognitive decline. As one turns 40, it becomes even more important to nourish your mind through good lifestyle choices that supports your mental health and prevents memory loss over time. Here we list some such simple yet powerful daily habits to keep your brain sharp after 40: