Terms of Service

Last updated: October 2025

Acceptance of Terms

By accessing and using this website, you accept and agree to be bound by the terms and provision of this agreement. If you do not agree to abide by the above, please do not use this service.

Contact Form Usage

When using our contact form, you agree to:

• Provide accurate and truthful information
• Use the form only for legitimate inquiries
• Not submit spam, abusive, or malicious content
• Comply with rate limits (3 submissions per minute, 10 per hour, 20 per day)
• Complete security verification (Cloudflare Turnstile) when required

We reserve the right to block IP addresses that engage in abusive behavior, spam, or attempt to circumvent security measures. Automated submissions and bot activity are strictly prohibited.

Use License

Permission is granted to temporarily download one copy of the materials on Prof Dr Mark R Johnson’s website for personal, non-commercial transitory viewing only. This is the grant of a license, not a transfer of title, and under this license you may not:

• Modify or copy the materials
• Use the materials for any commercial purpose or for any public display (commercial or non-commercial)
• Attempt to decompile or reverse engineer any software contained on the website
• Remove any copyright or other proprietary notations from the materials

Disclaimer

The materials on Prof Dr Mark R Johnson’s website are provided on an ‘as is’ basis. Prof Dr Mark R Johnson makes no warranties, expressed or implied, and hereby disclaims and negates all other warranties including without limitation, implied warranties or conditions of merchantability, fitness for a particular purpose, or non-infringement of intellectual property or other violation of rights.

Medical Disclaimer

Important: The information on this website is for educational and research purposes only and should not be considered medical advice. This website does not provide medical advice, diagnosis, or treatment recommendations. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

Academic Use

Research publications and academic materials on this site are shared for educational and scholarly purposes. Proper citation and attribution are required when referencing any materials from this website. Commercial use of research materials is prohibited without explicit permission.

Limitations

In no event shall Prof Dr Mark R Johnson or his suppliers be liable for any damages (including, without limitation, damages for loss of data or profit, or due to business interruption) arising out of the use or inability to use the materials on this website, even if Prof Dr Mark R Johnson or his authorized representative has been notified orally or in writing of the possibility of such damage.

Accuracy of Materials

The materials appearing on Prof Dr Mark R Johnson’s website could include technical, typographical, or photographic errors. Prof Dr Mark R Johnson does not warrant that any of the materials on his website are accurate, complete, or current. Research findings and medical information may be updated as new evidence becomes available.

Links

Prof Dr Mark R Johnson has not reviewed all of the sites linked to our website and is not responsible for the contents of any such linked site. The inclusion of any link does not imply endorsement by Prof Dr Mark R Johnson of the site. Use of any such linked website is at the user’s own risk.

Modifications

Prof Dr Mark R Johnson may revise these terms of service for his website at any time without notice. By using this website, you are agreeing to be bound by the then current version of these terms of service.

Governing Law

These terms and conditions are governed by and construed in accordance with the laws of England and Wales, and you irrevocably submit to the exclusive jurisdiction of the courts in that state or location.

Security and Data Collection

This website implements security measures to protect against abuse and maintain service quality:

• Rate Limiting: Automatic limits on contact form submissions to prevent spam
• Bot Protection: Cloudflare Turnstile verification to ensure human users
• IP Logging: IP addresses are collected for security, fraud prevention, and rate limiting
• CSRF Protection: Security tokens protect against unauthorized form submissions

By using our contact form, you acknowledge that your IP address and browser information will be collected and processed as described in our Privacy Policy.

Third-Party Services

This website uses third-party services to provide functionality:

• Resend: Email delivery for contact form submissions
• Cloudflare: Security and bot protection services
• Sanity CMS: Content management for publications and research information
• Vercel: Website hosting and infrastructure

Your use of these services is subject to their respective terms of service and privacy policies.

Privacy Policy

Your privacy is important to us. Please review our Privacy Policy, which also governs your use of the website, to understand our data collection and processing practices.

Professional Standards

Prof Dr Mark R Johnson adheres to the professional standards set by the General Medical Council (GMC) and Imperial College London. All research and clinical information shared on this website maintains the highest standards of academic and professional integrity.

Contact Information

If you have any questions about these Terms of Service, please contact us: