An American medical doctor who concentrates on educating people to take control of their own health and help them reduce or stop taking medications.

His website has a vast amount of information to help you learn more.  He covers a broad range of topics and also interviews other leading health experts.

If you sign up for his newsletter it can get a little overwhelming as it comes every day.  You can however read the newsletters online and look through the archives when you feel like it as an alternative.