My kindeys are now aching.
I discovered recently that the mixed berry juice that I like from the fresh juice section makes my poo look like it has lots of blood in it.
First time it happened, I looked in the toilet as I stood to flush, and had that sicky feeling, of oh shit, what on earth has happened. How have I perforated my bowels having a poo.
Being manly, I waited until the next poo, and it was gone, then spotted the link later with the red berry juice.