The text takes a look at the whole issue of impotence with chapters on: the penis and erectile dysfunction; the possible causes; the psychological factors; the role of testosterone and how it can decline; and how how Viagra acts to prolong and maintain erections.
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The text takes a look at the whole issue of impotence with chapters on: the penis and erectile dysfunction; the possible causes; the psychological factors; the role of testosterone and how it can decline; and how how Viagra acts to prolong and maintain erections.
Read Less