Sunshine on my Shoulders

"Sunshine on my shoulders makes me happy." -John Denver song

So here is some more on sunshine exposure:
http://www.mommypotamus.com/why-vitamin-d-supplements-cant-replace-sunshine/

I'm a bit to fried to knit this together with what I've been reading from Stephanie Seneff but she is Mommypotamus' source of info.  To go right to the source read Dr. Seneff's blog here.