Our brain is one of the most important organs of our bodies and everything we perceive at any given time - smelling a flower, seeing a movie, hearing a melodious song; will not make sense to us if it wasn't for our brains. According to a trusted neurologist in Mumbai, as we grow old our brain health also starts to decline.

This is the reason why most people get forgetful and disoriented old age. While this process is natural, it can be slowed down by leading a healthy lifestyle and eating the right kind of food. Here are five such Superfoods for healthy brain:

#1. Nuts

Nuts like walnuts and almonds are considered extremely helpful in boosting memory, this is especially beneficial for those who run the risk of Alzheimer's disease. Walnuts, particularly are high in Omega-3 fatty acids, that help in improving the cognitive health. Peanuts, high in niacin, also have a similar effect on the brain. Almonds, chestnuts, and cashews also contribute to a healthy brain.

#2. Celery

As we age, our brain, like all the other organs, begins to degenerate. This process is natural and can be delayed by consuming a wholesome diet. Celery has many such benefits. High in luteolin, celery helps calm the inflammation in the brain, consequently slowing down the aging process of the organ. The additional benefits of the plant include helping fight UTIs, keeping the blood pressure down and is also considered to be an aphrodisiac in some cultures.

#3. Avocados

Considered to be some of the healthiest foods on the planet, avocados have tonnes of health benefits, the biggest one being for the brain. Rich in monounsaturated fats, that helps in maintain a healthy blood flow, Avocados reduce instances of stroke and are hence known as "brain food." A high source of both Omega 3 fatty acids as well as Vitamin E, they help slow down the progression of Alzheimer's disease.

#4. Dark Chocolate

Apart from making you happy because of their deliciousness, dark chocolates are known to improve depression and anxiety symptoms in individuals. Flavanols and methylxanthines are responsible for this sudden uplifting of one's mood. Apart from this, dark chocolate is also known to improve cognitive function since they increase the blood flow in brain.

Must Read: 5 Reasons to Love Dark Chocolate

#5. Whole Grains

Whole grains, which contain a high amount of fiber, help in controlling blood sugar and lowering blood cholesterol. They also, not unlike dark chocolate, induce the "happy hormone (Serotonin)," assisting an individual to maintain healthy brain and strong mental health. A rich source of Vitamin B-6, whole grains, they also help reduce nervousness and depression in people.