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.
Other probiotics include several Lactobacillus species such as L. bulgaricus, L. casei, L. reuteri, Lactobacillus GG, Bifidobacterium longum, Bifidobacterium bifidum, Streptococcus thermophiles, and Saccharaomyces boulardii (a kind of yeast).verview. Lactobacillus acidophilus (L. acidophilus) is the most commonly used probiotic, or good bacteria. Many healthy bacteria live in the intestines and vagina where they protect against the bad bacteria that cause disease.