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.
How Often Do I Need an Oil Change? An oil and filter change should be performed on a regular and strict schedule.The carâs owner manual and the electronic indicator on the dash are good starting points for when to change your oil. Depending on the manufacturer, this interval can range from 5,000 miles to 7,500 miles.