Thoracentesis usually does not cause serious complications. Stress does not necessarily cause permanent change. It does not cause disease in humans. High blood pressure typically does not cause symptoms. The source then might cause harm to humans. They may feel guilty over things that logically should not cause guilt. Viruses do not generally cause the disease. These deposits typically do not cause any symptoms. Additionally it does not cause gastric irritation. If untreated, it can cause blindness. Caffeine may cause or exacerbate panic anxiety. Benzodiazepines may also cause or worsen depression. Mild low potassium does not typically cause symptoms. Some, in fact, may cause harm. May my brother cause me no distress.