See the links.
YES
glomerulonephritis is inflammation of the glomeruli in the kidneys however, pyelonephritis is inflammation of the kidney(s). They are both due to infection.
glomerulonephritis
Bacteria
glomerulonephritis
Certain types of glomerulonephritis are treatable, and may only cause a temporary disruption of kidney functioning
bagel
Glomerulonephritis
rapidly progressive glomerulonephritis
No, you can't get UTI from food.
Glomerulonephritis