On Tue, 19 Nov 2013 23:38:40 -0700, Bob F wrote:

...snip...
Doctors say exercise can't help vision. Doctors say you need more
exercise. Why
do they think the muscles controling vision are any different?

Exellent example of a breakdown in logic.

Along the line of giving 'bad' advice ...

Rats fed poison with tender, loving care have a surprisingly high survival
rate. Not that 'bad medical advice' is 'poison'; just came to mind as I
read your reply.