This was all over our news here in Australia yesterday.
Some very interesting findings on a small population that will lead to more advanced investigations.
http://www.ncbi.nlm.nih.gov/pubmed/24509071
J Photochem Photobiol B. 2014 Feb 5;131:90-5. doi: 10.1016/j.jphotobiol.2014.01.002. Epub 2014 Jan 17.
Exposure to solar ultraviolet radiation is associated with a decreased folate status in women of childbearing age.
Borradale D, Isenring E, Hacker E, Kimlin MG.
Qld Uni of Technology News