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.
Probiotics contain live bacteria and can help a body build up a supply of good bacteria naturally. One of the more than 400 types of bacteria that are in a human body at any time. Maintaining a healthy balance of good bacteria can reduce a person's risk of developing respiratory illness.ore than 400 types of bacteria live in the human digestive system. Many of these bacteria types are good bacteria â they help the digestive system to do its job.