Csf (Definition) CSF is also known as Cerebrospinal fluid. Cerebrospinal fluid is the clear colorless fluid produced in the choroid plexus in the brain, and acts as a cushion or a buffer for the brain & spinal cord.
The cost of feeding a family of four a healthy diet can run $146 to $289 a week, according to the latest numbers from the U.S. Department of Agriculture. That's based on preparing all the meals and snacks at home for a couple with two school-aged children.
The average weekly cost for food for a family of four in Toronto is $136.28 ($590.09 per month average). These amounts are based on the province of Ontario's 2008 Nutritious Food Basket.