As I wrote last year, a very large study of 38, 772 older women, who were followed for 25 years, showed that the risk of death INCREASED with long-term use of multivitamins, vitamin B6, folic acid, iron, magnesium, zinc, and copper.

FORBES: Do Multivitamins Prevent Cancer?

In a study of a large university hospital, my colleagues and I found that more than a fifth of the medical mishaps reported in the study could have been prevented if someone had been willing to risk having a difficult conversation.

FORBES: Bon Jovi Should Take A Page Out Of Its Playbook To Solve Personnel Problems

As I study FDIC financial data, I find that some of these banks are large players in the mortgage market and have significant exposures to defaults and foreclosures and Other Real Estate Owned.

FORBES: Bank Stocks: Too Big To Fail But Too Risky To Buy

In a forthcoming study in the Economic Journal, my co-authors and I find that privatisation does not systematically lead to large employment cuts.

ECONOMIST: Jos�� Sarney