Our expert says:
There is just one way of determining if it is in fact a prostate problem and that is to go for an digital examination and PSA blood test (he should by the way at his age do this every year at least to screen for prostate cancer)
The symptoms sound like it could be prostatism or enlarged prostate.
See this article on prostate cancer screening: http://www.prostatecancerfoundation.org/site/c.itIWK2OSG/b.47285/k.CCF1/Detection__Screening.htm
Try and get him to exercise more, even if you both go for a walk each day for 20-30 minutes.
He need not cut out all sweet things, but should eat this with moderation.
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