Is your new job killing you? It might be if you keep these hours...

With the economy still negatively impacting those over 65, many retirees are heading back to work. Some of them are finding it hard to find jobs, so they're taking late-night jobs. If this describes you or a loved one, a new study says these jobs can lead to cancer.

Why a high-fat diet - even healthy fat - isn’t good for your arteries

On Wednesday, I showed you how a particular fat — olive oil — can help your arteries. The polyphenols in this amazing fat help your cells that line your arteries stay healthy. These endothelial cells depend on polyphenols for their health. But another study shows that they don't rely on the fat.

Can this vitamin solve your low thyroid function?

Are you overweight despite watching your calories and carb intake? If so, you probably have low thyroid function. But don't go to the doctor and expect much help. Because conventional doctors have been trained to diagnose low thyroid states through blood tests. These tests are not that sensitive. And most of the time, they are in the normal range even when the patient has low thyroid function. That's the bad news.