22 Hard-To-Detect Illnesses, From The Commonplace To The Truly Bizarre

11. Mad Cow Disease

Mad Cow Disease progresses slowly before becoming a degenerative and eventually fatal illness that affects your central nervous system. Mad Cow is transmitted by the eating of contaminated beef, which cannot be sterilized simply through cooking. The disease has not become prevalent in the United States after an infamous outbreak in the UK, but there is still a worry that it could.