20 Bad Habits That Damage Your Brain

Eating A Consistently High-Fat Diet

While it's perfectly OK to have fries (and pizza, and other greasy foods), too many of them can have a negative impact on your health. According to Melone, there have been studies in mice that show a high-fat diet can affect memory. While more studies are needed in humans, it is true that a fatty diet can lead to hypertension and cardiovascular disease. And that can definitely damage the brain.