• Double-dose vitamin D lowers cancer risk in women over 55 

    Schumann, Sarah-Anne; Ewigman, Bernard (Family Physicians Inquiries Network, 2007-11)
    Increasing the dose of vitamin D3 from the current standard of 400-600 IU per day to 1000 IU per day lowers future risk of cancer in women older than age 55 who do not get adequate vitamin D from sun exposure or diet. ...