Common Foods That Are Making Sad April 15, 2019 Frank Hisselnof Coffee. Sure it tastes great and gives us that excellent boost of energy in the morning but that’s not all coffee does to us. Studies have shown that coffee can have long-lasting negative effects on the brain. One study was conducted among college students both average and high coffee consumers, and they all scored high on a depression scale in comparison to those who consumed coffee way less. Taking precaution and drinking coffee in moderation, can greatly decrease your chances of developing depression in the long-run. Fries. Like most fried foods out there fries contain artificial trans fats. During manufacturing, fries go through a process that involves hydrogenated oils which can contribute to depression. Adding olive oil to your diet can prove much safer for your overall health and well-being, as it can help lower your risk of depression by 30%. Diet Soda. You can’t actually lose weight from diet soda but you can become depressed from it. Diet soda contains the ingredient aspartame which is an artificial sweetener. Aspartame is comprised of 3 chemicals: phenylalaline, asparatic acid, and menthanol which are all very dangerous. When consumed, aspartame can cause phenylalaline levels in the blood to increase (which can be found in significant areas of the brain) thus decreasing serotonin levels in the brain. This can lead to emotional disorders such as depression and anxiety.