Age and comorbid conditions can result in a more prolonged and severe illness. It has demonstrated its capacity of sustaining large troop commitments over prolonged periods. I result from low serum insulin in patients with frequent prolonged hypoglycemia. This enables them to stay underwater for prolonged periods. The symptoms of frostbite progress with prolonged exposure to cold. Monoamines accumulate in the synaptic cleft resulting in enhanced and prolonged sympathetic effects. Bleeding time is usually prolonged in ITP patients. Variants associated with prolonged QT intervals decrease this current. Milder but still prolonged depression can be diagnosed as dysthymia. It is also used in areas subjected to prolonged flooding. Summers are long, prolonged and extremely hot. The incubation period can be prolonged in cats. The risk of prolonged labor is higher. Consequently, they have prolonged antithrombotic and colloidal effects. UVGI can be used to disinfect air with prolonged exposure.