I used to buy lots of the old shows on DVD, until I figured how to watch them for free on the PC, which is connected wireless to the TV when switched.
Hulu, Youtube, Google, Amazon and other sites offer TV shows and movies for free or pay.
Most of the increase in auto immune diseases like allergies, asthma, autism, ADD, Alzheimer's, MS/MD, arthritis, etc have been on the rise, since the Industrial Revolution has picked up speed. The more urban, polluted and exposed to toxins and chemicals, the more physical reactions on genetic levels are occurring. Even cancers and heart diseases have dramatically increased the last 100 years, though thru modern medicine, we've eliminated many other diseases and common causes of death.