Privacy Policy
Last updated: January 2025
What Data We Collect
We collect no personal data. All calculations — your birth date, biological sex, and lifestyle inputs — are processed entirely within your browser. Nothing is sent to our servers or stored anywhere.
Cookies and Advertising
This site uses Google AdSense to display advertisements. Google AdSense uses cookies to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising by visiting Google's Ads Settings. For more information see Google's Privacy Policy.
Analytics
This site uses Google Analytics to understand aggregate traffic patterns — how many people visit, which pages are viewed, and general geographic regions. This data is anonymized and aggregated. No personally identifiable information is collected.
Third-Party Links
This site links to the Social Security Administration and CDC websites. We are not responsible for the privacy practices of those sites.
Contact
If you have questions about this privacy policy, you can reach us through the About page.
Changes to This Policy
We may update this policy from time to time. The date at the top of this page reflects the most recent update.