(e) You may not know that ... cancer prevalence depends heavily on vitamin D levels. People living around the equator have a 40-60% lesser chance of getting cancer than people living in the US, Canada or Europe. This is even true for people living in Florida. We don&#x27;t get enough UV-B from the sun, not like centuries ago when we didn&#x27;t have to work indoors and didn&#x27;t use sunscreen. People with dark or darker skin have an even bigger risk.<p>The risk of getting nonmelanoma skin cancer from UV-B is relatively low, and it&#x27;s easy to treat. Melanoma skin cancer is dangerous, but not related to sun exposure. Taking vitamin D using pills or getting enough sun exposure (without sunscreen) without getting burnt may be the cheapest and most easy way to reduce cancer risk.<p>Below some links, these about breast cancer. AFAIK these numbers are similar for other cancers like liver, lung, colon, etc.<p><a href="http:&#x2F;&#x2F;bigthink.com&#x2F;devil-in-the-data&#x2F;vitamin-d-sun-and-cancer" rel="nofollow">http:&#x2F;&#x2F;bigthink.com&#x2F;devil-in-the-data&#x2F;vitamin-d-sun-and-canc...</a><p><a href="http:&#x2F;&#x2F;articles.latimes.com&#x2F;2008&#x2F;may&#x2F;26&#x2F;health&#x2F;he-explain26" rel="nofollow">http:&#x2F;&#x2F;articles.latimes.com&#x2F;2008&#x2F;may&#x2F;26&#x2F;health&#x2F;he-explain26</a><p><a href="http:&#x2F;&#x2F;proceedings.esri.com&#x2F;library&#x2F;userconf&#x2F;proc05&#x2F;papers&#x2F;pap1468.pdf" rel="nofollow">http:&#x2F;&#x2F;proceedings.esri.com&#x2F;library&#x2F;userconf&#x2F;proc05&#x2F;papers&#x2F;p...</a><p>Or Google that yourself: <a href="https:&#x2F;&#x2F;www.google.com&#x2F;webhp?q=cancer+rates+equator" rel="nofollow">https:&#x2F;&#x2F;www.google.com&#x2F;webhp?q=cancer+rates+equator</a>