Mental Muscle As with all your organs in the body,your brain is subject to age-related fatigue. Levels of nutrients and vital oxygen slowly declinen. Conditions such as Diabetes and hypertension can accelerate aging and increase the risk of memory problems. Flex Your Grey Matter Just as Physical exercise inreases muscle mass. Working out your brain can stimulate and keeps your brain active. Strengthening existing neuron pathways and building new ones. Feed The Brain Flax seed oil and c.