Maximum Lengths. According to USB.org, USB operating specifications limit the maximum length of the cable to 5 meters for full speed devices and 3 meters for any low speed devices. 5 meters is around 16 feet 5 inches, and 3 meters is around 9 feet 10 inches.
A National Kidney Foundation answered. Kidney damage from lupus can be mild or severe. It can cause damage to the filtering units (glomeruli) of the kidney. Since these filtering units clear your blood of waste, damage to them can cause your kidneys to work poorly or not at all.
Lupus can affect just about any part of your body, but medicine can help prevent and ease problems. There are also steps you can take on your own to avoid the effects of lupus on your heart, skin, kidneys, eyes, and other areas. Lupus raises your chances of heart disease and stroke.