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 USDA uses national food intake data and grocery price information to calculate different costs for a healthy diet at home. The latest numbers for a four-member family: a thrifty food plan, $146 a week; a low-cost food plan, $191 a week; a moderate-cost plan, $239; a liberal plan, $289 a week.Some food waste is built into these costs.he 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.