The issue remains controversial, but there is anecdotal evidence backed by serious medical professionals that marijuana is useful for treating AIDS, cancer, glaucoma, and other conditions.

FORBES: The Most Important November 6 Election: Americans Voted To End the War On Drugs

That number is expected to double by 2030 as the aging population brings rising rates of macular degeneration, glaucoma, diabetic retinopathy and other eye diseases.

WSJ: High Tech for Low Vision

She said regular eye tests were important, not only for correcting vision problems, but also because they can spot early indicators of other health problems, such as diabetes, glaucoma and cataracts.

BBC: NEWS | Health | Many drivers 'have poor eyesight'

All you do is send in a cheek swab with DNA on it, and a few weeks later a variety of gene data will be posted on the Web, including whether you have genes recently discovered to be associated with risk for heart attacks, macular degeneration, glaucoma, diabetes, prostate cancer, breast cancer and a variety of other diseases (see: www.decodeme.com).

FORBES: Personal Genome Race Goes Into Overdrive