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.
Cost of Living for a Family of 4. According to the U.S. Department of Health and Human Services, the poverty line for a family of 4 is $22,050. This is the poverty line for the 48 contiguous states and the District of Columbia.