Waist measurement and waist-to-height ratio (WHtR) have been used as proxy measures of visceral adipose tissue, mainly in adults. OBJECTIVE: To validate body mass index (BMI), waist circumference and WHtR as predictors for the presence of cardiovascular disease risk factors in children of Greek-Cypriot origin.
Report abuse. Adam Throm The Iran Hostage Crisis The main cause of the Iran Hostage Crisis was that the United States allowed the former shah of Iran to enter the country for medical treatment. Causes The Iran Hostage Crisis began on November 4, 1979 when students protesting the U.S.'s protection of the former Shah occupied the U.S. embassy to Iran.
The hostage crisis reached a climax when, after failed attempts to negotiate a release of the hostages, the United States military attempted a rescue operation using ships including the USS Nimitz and USS Coral Sea that were patrolling the waters near Iran.n Iran, the crisis strengthened the prestige of the Ayatollah Ruhollah Khomeini and the political power of those who supported theocracy and opposed any normalization of relations with the West.