Vitamin D2 and vitamin D3 are the forms of vitamin D most important to human health, according to the Mayo Clinic. Vitamin D2 is manufactured by plants, while vitamin D3 is manufactured in the skin when it's exposed to the sun.
Population in families living in Washtenaw County ; Total Population: 238,069; Population Under 18 years: 70,878; Population 18 years and over: 167,191
Male population of WASHOE County, NV: 212,744: Female population of WASHOE County, NV: 208,663: Median age (years) 37: White Population: 324,070: Black Population: 9,814: Indian Population: 7,209: Asian Population: 21,790: Hawaiian Population: 2,542: Hispanic Population: 93,724: Median age (Male) 36.3: Median age (Female) 37.7: Total households: 163,445: Family households (families) 102,768: Average household size for WASHOE County, NV: 2.55