Can nerve damage. from a bulging disc in the lower lumbar system effect. or cause problems with the kidney? liver. and may it cause cancer?

No. Lower lumbar vertebral lesions would not affect kidney, liver nor cause cancer. For healthy diet: http://www.choosemyplate.gov/., exercise 30 minutes/day, drink enough water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs.

No, there is no relationship to kidney, liver, or cancer problems due to the presence of a bulging disc, which typically is a coincidental asymptomatic finding on imaging.