Into the future this utility from consumption is discounted at some rate ' Ï ' the rate of time preference for a given individual. Higher values for this rate of time preference imply less satisfaction from future consumption relative to current consumption spending.
Waste products are usually excreted by the kidneys. High levels of waste products in the blood may mean that the kidneys are not working as they should.
Natural products. Definition. Natural products are small molecules produced naturally by any organism including primary and secondary metabolites. They include very small molecules, such as urea, and complex structures, such as Taxol.