Amtech pointed out in a research note that a test Google search of each of the top 10 best-selling prescription drugs at that time turned up a slew of ads for Canadian online drug peddlers like CanadaDrugPharmacy.com and CanadaDrugCenter.com.
The deeper the needle penetrated, the more flexible the nail. (The squeamish may wish to note that this test can be done using a fingernail clipping.) In a test of 30 people, Dr Towler found that the nails of those with osteoporosis were significantly softer than those of people without it.