Comment on Stem cell study for ALS patients shows promise

Stem cell research can run the gamut from Nobel Prize-winning scientists to hucksters in lab coats making a buck off desperate, seriously ill people. The results of one new study may be less than hoped for, but the science is sound: The study concluded that injecting stem cells into the spinal cords of patients with amyotrophic lateral sclerosis is safe in most, though not all, cases.