THINKING of having one of those full-body scans? You will be exposing yourself to as much radiation as many Hiroshima victims received.
In a full-body CT scan, a series of X-rays is used to build a detailed picture of the entire body. Many private clinics now offer CT scans, at a cost of up to $1000, as a way of picking up problems such as cancer or heart disease. “It is touted as the equivalent of your annual physical, but non-invasive,” says David Brenner of Columbia University, New York, who has studied victims of the Hiroshima and Nagasaki blasts.
The…
