It may be possible to increase melatonin levels by adding certain foods to the diet that contain this hormone. One study explains that all plant foods include Melatonin at differing levels. Some plant foods that include more Melatonin than others are rice, tomatoes, walnuts, barley and olives.
The Maryland Zoo in Baltimore houses African elephants (Loxodonta africana) who are very different from their Asian elephant (Elephas maximus) cousins. The African elephant (Loxodonta africana) is the largest land animal in the world.he forest elephant is generally smaller, with rounder ears, and tusks that grow downward. Normally, forest elephants inhabit the rain forests of central and western Africa and do not overlap the territories of the savannah elephant.
The African elephant is actually two different species, according to a new DNA study that may settle a long-simmering debate. The big surprise of this paper, though, is just how genetically different the African savanna elephant and the African forest elephant are, co-author David Reich said.