Our sources

We use only the official sources listed here, and the site never adds a source on its own. For each one we read its terms of use, and they decide how we may use it.

Naming a source does not mean that it endorses this site.

• CDC (US): US Centers for Disease Control and Prevention. Summarized in our articles.
• Office on Women's Health (US): US Office on Women's Health (womenshealth.gov). Summarized in our articles.
• WHO (international): World Health Organization. Summarized in our articles.
• EFSA (EU): European Food Safety Authority. Summarized in our articles.
• MedlinePlus (US): MedlinePlus, US National Library of Medicine. Summarized in our articles.
• ODPHP (US): US Office of Disease Prevention and Health Promotion (health.gov). Summarized in our articles.
• USPSTF (US): US Preventive Services Task Force. Linked only, under "Further reading".
• NHS (UK): NHS website for England. Linked only, under "Further reading".
• The Menopause Society (US): The Menopause Society. Linked only, under "Further reading".
• ACOG (US): American College of Obstetricians and Gynecologists. Linked only, under "Further reading".
• NIA (US): US National Institute on Aging (NIH). Not used yet: its terms could not be checked.
• ODS (US): US Office of Dietary Supplements (NIH). Not used yet: its terms could not be checked.
• ACSM (US): American College of Sports Medicine. Not used yet: its terms could not be checked.