This process starts in the cellsâ cytoplasm and is completed in the mitochondria-the cellular powerhouse. In those tiny organelles, one molecule of glucose with 6 molecules of oxygen are changed into 36 molecules of ATP â the energy cells can use to get things done.
Symptoms of Severe anxiety. The list of signs and symptoms mentioned in various sources for Severe anxiety includes the 4 symptoms listed below: 1  Feeling of extreme uneasiness or apprehension. 2  Increased heart rate. 3  Sweating. 4  Unable to think clearly. 5  more information...Â».
Symptoms of generalised anxiety disorder. Generalised anxiety disorder (GAD) can affect you both physically and mentally. How severe the symptoms are varies from person to person. Some people have only one or two symptoms, while others have many more. You should see your GP if anxiety is affecting your daily life or is causing you distress. GAD can cause a change in your behaviour and the way you think and feel about things, resulting in symptoms such as: restlessness.