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Ultrasound vs CT scan for kidney stones: Which test is better?

Kidney stones can cause sudden and intense pain, often sending people straight to the emergency room. Once symptoms begin, ...
Reuters

Q+A: What is the radiation threat from CT scans?

CHICAGO (Reuters) - A number of studies in the past year have raised concerns that Americans are exposed to too much radiation from CT scans, increasing their risk of cancer. A: CT, short for computed ...