Hepatic encephalopathy can occur in those with acute or chronic liver disease. Mercury can cause both chronic and acute poisoning. Smoking increases the risk of both acute and chronic pancreatitis. Testing is not able to distinguish between acute and chronic infections. One of these died due to complications caused by chronic heart disease. Anemia of chronic diseases show normal RDW. Swimming is also effective in improving health for people with cardiovascular problems and chronic illnesses. Clonazepam is not recommended for patients with chronic schizophrenia. Respiratory depression may be less than with other opioids, particularly with chronic use. He recommended this therapy would be ideal for clients with difficult and chronic psychological disorders. Social support has important consequences for individuals with chronic pain. Treatment of chronic arsenic poisoning is possible. Godunov's death was determined to be due to complications from hepatitis secondary to chronic alcoholism. This is useful for maintaining control of chronic diseases. Barrett's esophagus occurs due to chronic inflammation.