On 2006-08-24, Dave Fawthrop wrote:

| The air is full of bacteria, your skin is, your car keys are, your steering
| wheel is - and as for picking your nose or scratching your head ...
|
|The air is even more full of bacteria when warm air has been blowing
|across people's damp hands...

Not all bacteria cause disease, many are helpful to the human body, notably
those in Yoghurt and most strains of E-Coli.

True, but I don't think you get probiotics off other people's damp
hands after they've been to the toilet.