The most common virus is the common cold, which is actually caused by several different families of viruses. Even though you may experience upper-respiratory symptoms associated with a bacterial infection, most cases of the common cold are not caused by bacteria-which make antibiotics useless against them.
Colon infection is caused when harmful bacteria resides in the colon. Normally, human immune system kills the harmful bacteria but there are some strains of bacteria that grow uninterruptedly even with strong immune system. When such bacteria overgrow in the large intestine, they can cause lot of complication.
Foods That Are Good for a Healthy Colon. A healthy colon is vital to a healthy body. If your colon is clogged with toxins, it will not be able to fully extract the vitamins from the food you're eating. This can lead to a host of health problems, including fatigue, constipation, and colon cancer. A healthy colon will help you to feel more energetic, and you'll get sick less often.