Article by Dr Mercola stresses the importance of vitamin D for prevention of various cancers including breast, prostate, skin, lung, colorectal and pancreatic.
Women to Women, by Marcelle Pick, has very good information on vitamin D and What You Need to Know.
Have your vitamin D blood serum level checked every six months and ask to know your levels. Ideal level should be 60-80 ng/ml. Or better is 100-150 nmol/L will reduce risks of breast cancer. Having optimum levels will prevent cancers and help reduce case-fatality. A home test is available at Mercola.com
Have a look at an interesting interactive Global Cancer Map. Looking at the map you can see that Canada has higher rates for breast and prostate cancers.
Be proactive with your Breast Health; and men don't just grow the mustache take the vitamin D (and eat your tomatoes, broccoli, brussels sprouts, kale, cauliflower and cabbage).