Risk of heart attack may double shortly after beginning testosterone therapy. (2014)
From the article:
So successful has the marketing for this testosterone therapy been that, according to Drugs.com, an independent medicine website, sales of the testosterone gel Androgel in 2013 exceeded sales of Viagra.
Now, a new joint study by UCLA, the National Institutes of Health and Consolidated Research Inc., has shown there is a twofold increase in the risk of a heart attack shortly after beginning testosterone therapy among men under 65 who have a history of heart disease. Further, the study confirmed earlier studies that found a twofold increase in heart attack risk shortly after treatment began in men older than 65.
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They examined the health care records of 55,593 men who had been prescribed testosterone therapy – 48,539 under the age of 65 and 7,054 who were 65 or older.