If you were trying to defend a city from attack, one of the first steps you might take would be to secure the perimeter. After all, if your enemies can just waltz right in, you're pretty vulnerable. Unfortunately, that's often the case for the brains of Alzheimer's patients. Some invaders just waltz right in and cause problems.

If you're fighting cancer, or if you know anybody who is fighting it, the information I'm going to give you now is critical. It's critical for two reasons. One, as you will see, it will not only extend your life, but it will also improve the quality of your life. And two, the information has been out for over 17 years and you will still not hear it from any oncologist (including the ones at the supposed great cancer centers). The study was published in the European Journal of Cancer way back in 1999.

Many people are secretly hoping for a breakthrough discovery of a pill they can take that will replace the need to exercise and eat a healthy diet. While that isn't likely to happen, there are some supplements that can provide some — but not all — of the benefits of exercise and the right type of diet. A few months ago, I told you about how vitamin C can have some of the same beneficial effects on your body as exercise — though this isn't an excuse to skip the gym. But what about diet?