Can you Catch a Cold by Daniel Roytas .. The concept of a contagion (ie bacteria or virus that spreads human to human disease) has never been proven. It has actually been disproven several hundred times throughout the last 200 years. If you didn't believe in contagion how would this change the way you live your life? How many billions of dollars would we not waste on a potential theory that may not be true? Terrain theory > germ theory https://www.amazon.com/Can-You-Catch-Cold-Experiments/dp/1763504409/ref=sr_1_1?crid=HAP7KALIHRUW&dib=eyJ2IjoiMSJ9.RGBwQYAyqWFAhpWZb19BqZH1I7ILUpHdQhk4DAmF8kETgush5uCNFFAG31rrO8es2PmIoBm3F8fqUJEqWWHp1w.l0xamCVcd9mUwJTC4osw7-4gT4crgIoBMFnDlHQ7lSg&dib_tag=se&keywords=can+you+catch+a+cold+daniel+roytas&qid=1736354542&sprefix=can+you+cat%2Caps%2C119&sr=8-1