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Many breast cancers resolve on their own. Autopsy studies show that about 30% of women in their 50s have occult breast cancers that apparently come and go. It makes one wonder if we are massively overdiagnosing cancers and overtreating them as well. The trick is to know which cancers are dangerous and in need of treatment. Studies on mammograms over time have...

  We need sunlight to make vitamin D. The types, sources of vitamin D, and physiology of vitamin D are reviewed. The relationship between vitamin D levels and cancer are reviewed.        

  As we get older, especially men who are frail, testosterone replacement is a consideration to improve muscle strength and balance. Exercise, of course, is the best way to increase muscle strength and balance because it naturally increases growth hormone and testosterone levels. Overdoing testosterone levels can be a problem with aggressive behavior...

  Patients with low risk prostate cancer under active surveillance may benefit from vitamin D3 supplementation at 4000 IU per day according to an article in the Journal of Endocrinology Metabolism. In patients with Gleason 6 prostate cancers, those treated with 4000 IU of vitamin D3 for one year, 55% had a decrease in Gleason findings or fewer positive...