What the Mouth and Teeth Do. The first step of digestion involves the mouth and teeth. Food enters the mouth and is immediately broken down into smaller pieces by our teeth. Each type of tooth serves a different function in the chewing process. Incisors cut foods when you bite into them. The sharper and longer canines tear food.
CFS is most common in women ages 30 to 50. The hallmark symptom is persistent and profound fatigue, which often worsens after physical or mental exertion. Symptoms may also include muscle aches, headache, and extreme fatigue. The main symptom of CFS is extreme tiredness that is: New.
A low EF can lead to symptoms of: 1  Shortness of breath or inability to exercise. 2  Swelling of the feet and lower legs. 3  Fatigue and weakness. 4  Rapid, forceful, uncomfortable or obviously irregular heart beat. 5  Abdominal discomfort such as swelling, pain or nausea. 6  Mental confusion.