Originally published on Thu April 19, 2012 10:39 am
Activity cuts the risk of Alzheimer's disease and slows cognitive decline, even in the very old, according to a new study.
There's been plenty of evidence for the "use it or lose it" theory of brain capacity. But this study is one of the first to show that activity of all sorts benefits people over age 80, even if they're not "exercising".
Originally published on Mon April 23, 2012 8:24 am
Think flossing and brushing is helping to fight off heart disease and stroke? Think again.
An expert panel of dentists and cardiologists, writing in the American Heart Association journal Circulation, says there is no evidence that treating or preventing gum disease has any direct effect on heart health.
That's a big turnaround. For the past decade, the medical establishment has been telling people that cardiovascular disease can be caused by poor oral hygiene. Why the change?