But there are worrisome factors as well.
"With that kind of strong growth and no sign of inflation, it would be tempting to conclude that we live in a perfect world," he says, but hastens to add that the problems in Brazil and the concentration of gains in the U.S. stock market are worrisome factors.
Iodine deficiency and iron deficiency anemia, which threaten millions of children, are especially worrisome factors as countries strive to improve their educational systems.
They say that far from leading to widespread use of statin drugs by children, the guidelines target the small percentage of children with genetic cholesterol problems or those with several worrisome risk factors, like obesity, high blood pressure and diabetes.
This is especially worrisome since wind, another factor driving ET, is also highest during wet months and local rains are often interrupted by strong sunhours (Ibid).
The worrisome convergence involves two factors, she said: the apparent westward track of recent avian flu cases in humans (the latest were in Russia and Finland) and the lack of available medicines and vaccines to fight the virus.
Whilst the focus previously was entirely on communicable diseases, mostly infectious, the increasing prevalence of non-communicable diseases and their risk factors is worrisome.
And most worrisome to AOL Time Warner shareholders, it depends on factors outside the control of the company's executives.
These are described as "puzzling and obviously somewhat worrisome" (p. 160), and, therefore, other factors were considered.
There are, however, other factors that make this moment particularly worrisome, including the changing nature of the world order, the personalities of its key leaders, and an ominous shift in military doctrine.
