Last updated: March 2025
This privacy policy explains how HowOldIsMyBody.org collects, uses, and protects information when you use our website. We are committed to protecting your privacy and being transparent about how data is handled.
HowOldIsMyBody.org is a free educational health information website. We provide tools and articles to help people understand how age and lifestyle affect the human body. The site is operated as a personal project based in the United Kingdom.
For privacy enquiries, please use the contact details at the bottom of this page.
When you use our body age calculator or other interactive tools, you may enter information such as your age, sex, height, weight, and lifestyle details (smoking status, alcohol consumption, exercise habits). This information is processed entirely within your browser and is never transmitted to our servers. We do not store, collect or retain any personal health data you enter.
This data is stored temporarily in your browser's sessionStorage — it is automatically deleted when you close your browser tab and is never sent to any external server.
Like most websites, we collect certain information automatically when you visit:
This data is collected via Google Analytics (see section 4) and is used only to understand how people use our site so we can improve it.
We use cookies on this website. Cookies are small text files placed on your device by your browser. We use the following types:
We use Google Analytics to understand how visitors use our site. Google Analytics uses cookies to collect anonymised data about page visits, session duration and user behaviour. This data is aggregated and cannot be used to identify you personally. You can opt out of Google Analytics tracking by installing the Google Analytics opt-out browser add-on.
We use Google AdSense to display advertisements on this website. Google AdSense may use cookies to serve ads based on your prior visits to this or other websites. 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 personalised advertising by visiting Google Ads Settings or by visiting aboutads.info.
Some cookies are strictly necessary for the website to function correctly. These cannot be disabled.
We use Google Analytics, a web analytics service provided by Google LLC ("Google"). Google Analytics uses cookies to help us analyse how visitors use the site. The information generated by the cookie about your use of the website (including your anonymised IP address) will be transmitted to and stored by Google on servers in the United States.
Google will use this information to evaluate your use of the website, compiling reports on website activity and providing other services relating to website activity. Google will not associate your IP address with any other data held by Google. For more information, please visit Google's Privacy Policy.
We participate in Google AdSense, an advertising service provided by Google LLC. Google AdSense uses cookies and web beacons to serve ads on our site. Google uses the DART cookie to serve ads based on a user's interest and previous interactions. Users may opt out of the use of the DART cookie by visiting the Google ad and content network privacy policy.
Third party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website. Users may opt out of personalised advertising at www.aboutads.info/choices/.
We do not control the content of third-party advertisements and are not responsible for their privacy practices.
The anonymised usage data we collect is used to:
We do not sell, rent or share your information with third parties for their own marketing purposes.
The health data you enter into our tools is never transmitted to us and is automatically deleted from your browser when you close the tab. Google Analytics data is retained for 14 months before automatic deletion. We do not maintain any database of user personal information.
Under UK GDPR and the Data Protection Act 2018, you have the following rights:
As we collect no personally identifiable information directly (only anonymised analytics via Google), most of these rights are exercised through Google's own privacy tools. For Google Analytics data, please use the Google Analytics opt-out tool. For advertising preferences, please use Google Ads Settings.
Our website may contain links to third-party websites. We are not responsible for the privacy practices or content of those websites. We encourage you to read the privacy policies of any third-party websites you visit.
Our website is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, please contact us and we will take steps to delete it.
We may update this privacy policy from time to time. Any changes will be posted on this page with an updated revision date. We encourage you to review this policy periodically. Continued use of the website after changes constitutes acceptance of the updated policy.
If you have concerns about how we handle your data, you have the right to lodge a complaint with the UK's data protection authority: the Information Commissioner's Office (ICO) at ico.org.uk, or by calling 0303 123 1113.
For any privacy-related questions or to exercise your rights, please contact us at: privacy@howoldismybody.org