While iridology is bunk , it would be interesting to see what disease markers could be found with eye exams. We already know about a few. Ankylosing spondylitis is often associated with eye inflammation and abnormalities in the retina can be associated with diabetes, hypertension, cardiac disease, and stroke, as well as a lot of systemic diseases.
Eye exams are generally non-invasive and the scans could be set up almost anywhere.
“Visa and MasterCard know perfectly well that a signature alone, without the additional step of requiring a PIN, provides virtually no protection against many types of payment card fraud,”
Looks like Home Depot has become much more conscious of security since their 2014 data breach.
"If you don't want your dog to have bad breath, do what I do: Pour a little Lavoris in the toilet." -- Comedian Jay Leno