These one-cell organisms are responsible for illnesses such as strep throat<span>, urinary tract infections and </span>tuberculosis<span>. Viruses. Even smaller than bacteria, viruses cause a multitude of diseases — ranging from the common cold to </span>AIDS<span>. Fungi. </span>
Goiter is the result of a dietary <u>deficiency</u> ... an enlarged thyroid due to
insufficient iodine. There's nothing you eat that <u>creates</u> goiter.