Blood is mostly made up of water, as are our organs and muscles. To read specifically about edema, swelling caused by fluid retention where excess fluid is trapped in the body's tissues, see our article Edema: Causes, Symptoms and Treatments.
If you use the Amsoil Ea15K01 and the ASM oil (For 3rd gen Prius), then you can safely go 15,000 miles between oil changes. I drive 25,000 miles per year in my Prius. Amsoil backs up their products by a written warranty.
Owner's manual recommendations for oil and filter changes vary from 3,000 to 10,000 miles. We recommend that you change your oil and filter every 5,000 miles. That's our best estimate.It may be too soon for many people and too late for a few, but for the vast majority, 5,000-mile oil changes will help your engine last to a ripe, old age.You may want to consider changing your oil more frequently if:e recommend that you change your oil and filter every 5,000 miles. That's our best estimate. It may be too soon for many people and too late for a few, but for the vast majority, 5,000-mile oil changes will help your engine last to a ripe, old age. You may want to consider changing your oil more frequently if: