Immunodeficiency, whether caused by medication or disease, can also predispose a person to catch cold.
The thought of a barn fire is an ancient fear, whether caused by lightning, equipment, spontaneous combustion or carelessness.
A water crisis — whether caused by nature, human mismanagement, or both — can be an early warning signal of conflict ahead.
Changes in ambient temperature, whether caused by changing meteorology or nightfall, can have a dramatic effect on cooking times.
The primary purpose of early codes was to avoid mass loss of life, whether caused by building collapse or urban conflagration.
Although testosterone falls gradually with age, some studies suggest it is extreme stress - whether caused by divorce, bereavement or illness - that really sends the levels plummeting.
In Alaska, rising temperatures, whether caused by greenhouse gas emissions or nature in a prolonged mood swing, are not a topic of debate or an abstraction.
Whether caused by demographics or other societal shifts, a sharp rise in juvenile psychiatric emergencies has been reported in many states, including Connecticut and New York.
THE elements involved in a mining accident are overwhelming -- whether caused by fire or gas or the effect of gravity on unstable rock.
The companies are aiming to make those delays, whether caused by high demand or custom orders, a bit more bearable for the consumer.
And severe damage to the shrine, whether caused by American troops or Mr. Sadr's guerrillas, could provoke rebellion among Iraq's Shiites, who are a majority of the population.
