We're very careful to be sure of what we're seeing, that it's not simply a manifestation of two diseases that have common risk to factors.

Our goal is to find out the truth, because periodontal disease is so prevalent, that if indeed it contributes something to cardiovascular disease, it's very important to know that. It's also very preventable.

What we do not know is the nature of the association. We do not know if the nature of the association is casual, or not, or whether it's due to chance alone.

We must be careful of not overdoing it. We must make sure we get the best out of him, not just for now but for the next two-three years.

Secondly, be very careful of any links you click through -- make sure they're going to a legitimate site and not a 'like-sounding' site.

We're very careful in nature to make sure its factual information and not biased.