This was a headline on the internet this morning which teaches us to always read beyond the headlines and bad science.
The article went on to quote a reply by Prof Robin Seymour, a precis of which follows.
Some toothpastes and healthcare products contain Triclosan, which is an antibacterial agent. When used in this manner, the effect of Triclosan is purely topical and transient.
Whilst it could be swallowed during brushing or rinsing, the amount and dosage is so small that it would be difficult to quantify.
There is robust evidence that it improves oral health in terms of plaque control and gingivitis.
Also, there is increasing evidence that good oral health reduces the risk of coronary heart disease, stroke, malignancy and diabetic control.
There is no evidence, in human trials, of Triclosan increasing the risk of cancer and some research describes that it can be an effective inhibitor of cancer cell growth.
Perhaps, therefore, a more appropriate headline would have been:
TONIC TOOTHPASTE! It is good for your health.