Choose the thalassemia with the best prognosis from the following choices

Osteoporosis often affects older people. It is a major risk factor of fractures in which of the following bones?

A) vertebral B) skull C) wrist D) foot

"Rich democracies" are countries that have large enough per capita incomes and responsive enough political arrangements so that underlying economics and sociology ____

A) enable similar policies, if the political systems so choose B) are shaped by homogeneous societies C) enable similar policies, if the academic elites so choose D) are shaped by highly educated societies