Rat studies have shown that tin-deficient diets resulted in poor growth, reduced feeding efficiency, hearing loss, and bilateral hair loss. Tipton and Shafer examined tin in human tissue after accidental deaths. They noted that tin was found in the aorta, heart, kidney, liver, muscle, ovary, spleen, pancreas, brain, testes, stomach, and uterus, but none was found in the thyroid of any victim, while the prostate, which usually shows no other trace element, had tin... Full Text