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.
As you can see from chart 3, the average cost for food per month for a family of 4 in this example ranges from about five hundred sixty-four dollars ($564) on a thrifty plan to more than eleven hundred dollars ($1,100) on a liberal plan.