Medicine: Cancer and Heredity

"The bulk of the evidence points to microparasites as the probable cause of sarcomas and carcinomas,'' says Dr. Erwin F. Smith, chief plant pathologist of the U. S. Department of Agriculture, and Vice President of the American Association for Cancer Research.

It was Dr. Smith who demonstrated that the crown gall, a plant disease resembling animal cancer, could be experimentally transmissted from plant to plant by cultures of a microorganism found in the gall. He is convinced that human cancers are caused by a similar infection, though no active parasite, either bacterium...

Want the full story?

Subscribe Now


Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!