The hunter-gatherer tribes that today live as our prehistoric human (1) __________
ancestors consume primarily a vegetable diet supplementing with animal (2) __________
foods. An analysis of 58 societies of modern hunter-gatherers, including the
Kung of southern Africa, revealed that one-half emphasize gathering plant
foods, one-third concentrate on fishing, and only one-sixth are primarily
hunters. Overall, two-thirds and more of the hunter-gatherer’’s calories come (3) __________
from plants. Detailed studies of the Kung by the food scientists at the University
of London, showed that gathering is a more productive source of
food than is hunting. An hour of hunting yields in average about 100 edible (4) __________
calories, as an hour of gathering produces 240. (5) __________
Plant foods provide for 60 percent to 80 percent of the Kung diet, (6) __________
and no one goes hungry when the hunt fails, interestingly, if they escape
fatal infections or accidents, these contemporary aborigines live to old ages
despite of the absence of medical care. They experience no obesity, no (7) __________
middle-aged spread, little dental decay, no high blood pressure, no heart
disease, and their blood cholesterol level are very low (about half of the (8) __________
the average American adult. ) If no one is suggesting that we return to an (9) __________
aboriginal life, we certainly could use their eating habits as a model for (10) __________
healthier diet.