**Below are some great health-related statistical sources--but there's an easy way through Google to search for official health (and other) statistics.
After you type in your keywords, then type in: site.gov
Example: lung cancer statistics site:.gov
This will limit your search to only government (mostly Federal, but also state & local sources). Government sources are one of the top authoritative sources for health statistics.
CDC Women's Health Topics offers the latest news, research reports, statistics, and A to Z health topics about women’s health issues.
womenshealth.gov is published by the Department of Health and Human Services Office and provides articles as well as information on topics, such as pregnancy, women with disabilities, and body image.
National Women's Health Resource Center offers information about a variety of women’s health topics, the latest news, apps, blogs, and health management tools.
World Health Organization, Department of Gender, Women and Health addresses disparities in women’s health around the world.
GirlsHealth.gov gives adolescent girls reliable, current health information and motivates girls to choose healthy behaviors. Created by U.S. Department of Health and Human Services’ (HHS)
Food and Drug Administration Information for Women's Health offers tools, videos, safe medication programs, and other educational resources in English and Spanish.
Healthfinder.gov Women's Health offers A to Z health topics, National Health Observances, health news, conferences, and health care reform updates.
National Center for Complementary and Alternative Medicine: CAM and Women's Health provides resources and clinical trial information about alternative therapies used to treat women’s health issues, such as menopause, osteoarthritis, and urinary tract infections.