Your brain is your most powerful asset, and just like your body, it needs regular exercise and care to stay sharp. Whether you're looking to improve memory, boost creativity, or stay mentally agile as you age, there are plenty of ways to keep your brain in peak condition. And the good news is that it's not difficult at all—Marc Milstein, Ph.D., an international speaker on brain health and author of The Age-Proof Brain, says we can all do small things, easy lifestyle changes to boost our brain health. The dual benefit, he says, is that the things that slow down cognitive decline also help with focus, productivity, and our overall mood. Which means you get a benefit that day, but you also protect your brain down the road. Here are five things you should start doing now.