Your inner ear fluid is influenced by certain substances in your blood and other body fluids. For instance, when you eat foods that are high in salt or sugar, your blood level concentration of salt or sugar increases, and this, in turn, will affect the concentration of substances in your inner ear. People with endolymphatic hydrops must control the amount of salt and sugar that is added to food.
Besides, there are also many other causes of performance anxiety, such as: 1  Societal pressure: In reality, societal pressure is considered as one of the most popular causes of performance anxiety.  In experience: this will cause minor sexual dysfunctions, thereby leading to performance anxiety.
If your career goals include taking a leadership role in your organization, you will almost certainly need to speak regularly to groups, large and small, on your road to achieving them. Here are ten common causes of public speaking anxiety and some tips for avoiding them. 1  Believing that public speaking is inherently stressful. Public speaking need not be stressful at all. 2  Thinking you need to be perfect in order to succeed. Perfection is a goal that few, if any, professional public speakers attain.