Privacy Policy

1. Introduction

HealthCalc ("we," "us," or "our") operates https://healthcalc.org. This Privacy Policy explains what information we collect, how we use it, and your choices regarding cookies, analytics, and advertising on our website.

2. Information We Collect

We collect limited information in the following ways:

• Usage data: Pages visited, time on site, browser type, device type, approximate location (country/city), and referral source.
• Cookies and similar technologies: Small files stored on your device to remember preferences and measure site performance.
• Contact information: If you email us, we receive your email address and message content.
• Calculator inputs: Health calculations run in your browser. We do not store your weight, height, or other calculator inputs on our servers.

3. How We Use Information

• Improve website content, calculators, and user experience
• Understand traffic patterns and popular pages
• Measure advertising performance (when ads are displayed)
• Respond to inquiries and support requests
• Protect against abuse, fraud, and technical issues

4. Google Analytics

We use Google Analytics to understand how visitors use our site. Google may collect information such as your IP address, browser, and pages viewed. Google's privacy policy is available at policies.google.com/privacy.

You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

5. Advertising (Google AdSense)

We may display advertisements served by Google AdSense. Google and its partners may use cookies to serve ads based on your prior visits to this website or other websites. This helps show relevant ads and measure ad performance.

• Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our site and/or other sites on the Internet.
• You may opt out of personalized advertising by visiting Google Ads Settings.
• Alternatively, visit aboutads.info to opt out of third-party vendor cookies for personalized advertising.

For more information on how Google uses data when you use our partners' sites or apps, see How Google uses data from sites that use our services.

6. Cookies

We use cookies for:

• Essential operation: Basic site functionality
• Analytics: Google Analytics measurement
• Advertising: Google AdSense (when enabled)

You can control cookies through your browser settings. Disabling cookies may affect some site features.

7. Third-Party Links

Our articles may link to external websites (e.g., CDC, NIH, research institutions). We are not responsible for the privacy practices of those sites. We encourage you to read their privacy policies.

8. Data Retention & Security

We retain analytics data according to Google Analytics settings. Email correspondence is kept only as long as needed to respond to your inquiry. We use reasonable technical measures to protect our website, but no method of transmission over the Internet is 100% secure.

9. Your Rights

Depending on your location, you may have rights to access, correct, or delete personal data we hold about you. To exercise these rights, contact us at privacy@healthcalc.org.

10. Children's Privacy

Our website is intended for a general audience and is not directed at children under 13. We do not knowingly collect personal information from children.

11. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last Updated" date.

12. Contact Us

Questions about this Privacy Policy? Email us at privacy@healthcalc.org or visit our Contact page.