According to the American Cancer Society, skin cancer is the most common type of cancer in the United States. Skin cancer is an abnormal growth of skin cells. It generally develops in areas that are exposed to the sun, but it can form in places that donât normally receive sun exposure.
Harmful bacteria: 1  E. Coli can also be harmful if food or water is contaminated with it and then eaten. 2  Listeriosis can cause individuals to become very ill and can even be potentially deadly. 3  Examples of where it can be found are in shellfish, cold cuts, and unpasteurized milk.Answer #1). Helpful bacteria: 1  E. Coli are found in the intestines of humans and aid in digestion. 2  Streptomyces is used in making antibiotics. 3  Rhizobium are helpful bacteria found in the soil.
List of Foods Containing Good Bacteria. Yogurt is rich in good bacteria. Photo Credit George Doyle/Stockbyte/Getty Images. When you think of bacteria your first thoughts maybe of disease and sickness, but some bacteria are necessary for human health and can even help prevent disease.These bacteria are known as probiotics.hoto Credit oksix/iStock/Getty Images. Though yogurt may be the most well-known source of probiotics, kefir is actually a better source of the healthy bacteria, with three times more probiotic amount present than yogurt.