Win the brain-health battle

Eat a wholesome diet.
To combat inflammation and overeating, avoid processed foods and sweets; instead, eat a diet predominately of fresh organic vegetables, grass-fed meats, legumes, good fats (like extra-virgin olive oil), and low-sugar fruits, like berries.

Get a job that stimulates you.
Be creative and expose yourself to change and stimulation.

Clearly define what is causing you stress.
Be discerning and aware of how you respond to what is around you. Diminish or eliminate stressors that are cumbersome if possible.

Identify your nutrient deficiencies.
Visit your doctor for a blood test and to identify deficiencies that need to be addressed.

Walk in a park!
You will get two benefits: exercise and vitamin D from the sun. Alternatively, you can also give yourself 15 mins breaks from your desk every two hours. Be consistent.

Get into a sleep routine.
Sleep is needed to repair and restore at every level.