What diseases were there in the trench in World War 1? Trenche foot was very common in the trench warfare. caused from wet feet and not being able to change their socks and boots. Edit
Repels Sharks No.........human urine actually repells sharks and other fish.
Researchers know, for example, that sharks can smell blood and that they can sense electrical pulses in the water, such as the flailing of a toddler in the surf. I think it could smell blood and thought I was dead. The French and the Germans--so often the voices of stagnant conservatism in the EU--seem to smell blood.