This is an inclusive term for several conditions involving inflammation of the kidney. Nephritis is the most common cause of blood in the urine of children and young adults but it can occur at any age. If your GP suspects nephritis he will usually refer you to a nephrologist (kidney doctor).
Quick Answer. The average U.S. car weighs in at just 4,000 pounds, which is two tons. This is the average of all mass manufactured vehicles in the United States.
But that is not because they are lighter. The average new car weighed 3,221 pounds in 1987 but 4,009 pounds in 2010. Even small-size sedans have packed on the pounds, thanks to more-powerfulâif more-efficientâengines, as well as features like nicer seats, more safety features, and more legroom.