5. Lower back pain
Many people around the world complain of having back pain, which probably due to certain factors such a pinched nerve, bending or twisting awkwardly, slouching in chairs, lifting, pushing, or pulling heavy objects, and sitting for long periods without taking a break.
If the pain in your lower back is persistent and any remedy such as stretching and pain relievers does not work, you should see your doctor for blood testing.
A lower back pain may also be caused by testicular cancer cells that spread into the lymph glands at the back of the abdomen. This also causes abdominal pain.