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Privacy Policy

Your privacy matters to us

📅 Last Updated: April 2, 2026

Introduction

Cholesterol Guidelines ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our website and services.

Information We Collect

📋 Information You Provide

  • Account Information: Email address, name, and profile picture (via Google OAuth)
  • Health Data: Age, sex, race, cholesterol levels, blood pressure, diabetes status, smoking status (for risk calculations)
  • Payment Information: Processed securely through PayPal; we do not store your financial details

💾 Information Stored Locally

  • • Your calculation history and preferences are stored in your browser's local storage
  • • This data remains on your device and is not transmitted to our servers unless you sync with your Google account

📊 Automatically Collected Information

  • • Usage analytics (via Google Analytics) to improve our service
  • • Device and browser type for optimization purposes

How We Use Your Information

  • Provide ASCVD risk calculations and track your history
  • Sync your data across devices (when logged in)
  • Process payments and manage subscriptions
  • Improve our website and services
  • Send important service updates (with your consent)

Data Storage & Security

🔐 Local Storage

Your health data is primarily stored in your browser. This means you have full control over your data — you can clear it anytime by clearing your browser data.

☁️ Cloud Sync

When you log in with Google, your data is synced to Cloudflare D1 databases with enterprise-grade encryption. This data is never sold or shared with third parties.

🚫 What We Don't Do

  • We do NOT sell your personal or health data
  • We do NOT share your data with advertisers
  • We do NOT store your credit card or bank details
  • We do NOT use your health data for marketing purposes

Your Rights

📥 Access & Export

You can export your data as CSV from your profile page.

🗑️ Delete

Clear your data anytime from your profile or by contacting us.

✏️ Correct

Update your information through your profile settings.

🚫 Opt-Out

Opt out of analytics tracking via your browser settings.

Questions About Privacy?

Contact us for any privacy-related inquiries

Privacy Inquiries