A concerned reader writes to Dr Cannell asking if he should get a flu shot this year. Dr Cannell discusses an in-depth epidemiological study on vitamin D and the flu.

This special report newsletter provides emails Dr Cannell has received from physicians providing insight into a link between vitamin D and H1N1.

Dr Cannell provides interesting insight into all of the latest vitamin D research topics, from toxicity to testing.

Dr Cannell answers reader questions about the H1N1 flu and explains how vitamin D could help.

Dr Cannell covers a wide range of vitamin D topics from influenza to Parkinson’s disease in this newsletter quiz.

Dr Cannell discusses the history of influenza and how American scientists are infatuated with creating a perfect flu vaccine.