Leona: If the average consumption of eggs in the United States were cut in half, an estimated 5, 000 lives might be saved each year  Thomas: How can that be
That would mean that if people adopt this single change in diet for ten years, the population ten years from now will be greater by 50, 000 people than it otherwise would have been
The actual rate of population growth depends not only on the birth rate, but also on changes in life expectancy.