What you eat can play a key role in your health. Some foods are hard to digest, while others may provide you with no real nutritional value. Food like this is not only bad for you but can something cause health issues as well. Some foods can also cause inflammation throughout the body and worsen chronic pain. Inflammation can mess with digestion as well as cause headaches and fatigue. Chronic inflammation can lead to other diseases such as rheumatoid arthritis, obesity, and heart disease.