Where they occur, jungle leeches are among the most self-assertive and omnipresent elements of a rainforest. Although it is unlikely that anyone would bleed to death from the dozens of leeches that find their way into socks or under shirts and trousers, many have been driven to distraction by their tenacity, the inability to escape their attentions, or the itchy welts that may arise from their bites. Occasionally featured in motion pictures (e.g., Apocalypse Now). ♦
European medicinal leech
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Diabetes is a disease that affects the way your body uses food. Normally, your body converts sugars, starches and other foods into a form of sugar called glucose. Your body uses glucose for fuel. The cells receive the glucose through the bloodstream. They then use insulin a hormone made by the pancreas to absorb the glucose, convert it into energy, and either use it or store it for later use. Learn more...