Melatonin Side Effects. Melatonin helps to control the natural sleep-wake cycle of the human body. The natural levels of melatonin in the blood is highest at the time before bedtime. Melatonin is a hormone which can affect other processes inside the body. Persons at high risk of getting side effects from melatonin are those with liver disease, seizures, depression, kidney disease and high blood pressure. The long term side effects of Melatonin is still unknown.
Definition of 'Contractionary Policy'. Definition: A contractionary policy is a kind of policy which lays emphasis on reduction in the level of money supply for a lesser spending and investment thereafter so as to slow down an economy.
DEFINITION of 'Expansionary Policy'. A macroeconomic policy that seeks to expand the money supply to encourage economic growth or combat inflation (price increases). One form of expansionary policy is fiscal policy, which comes in the form of tax cuts, rebates and increased government spending.Expansionary policies can also come from central banks, which focus on increasing the money supply in the economy.ne form of expansionary policy is fiscal policy, which comes in the form of tax cuts, rebates and increased government spending. Expansionary policies can also come from central banks, which focus on increasing the money supply in the economy.