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When we think of bacteria, we immediately think of pests that threaten well-being and health. They are usually talked about in these negative terms, warning against infections lurking in the air, reminding you to wash your hands before eating, or vegetables and fruits after bringing them from the store … Yes, bacteria do not enjoy a good reputation. However, there are strains of bacteria that we couldn’t live without!
Good bacteria living in the human body are microbes that regulate the proper functioning of the entire body. In each of us there are as many as 90 trillion good bacteria that protect against the “bad” and thus pathogenic microbes. Their role can be compared to the role of guards protecting a person against the free multiplication of bad bacteria that cause diseases.
Where do good bacteria come from and how do they function?
The largest amounts of them are found in the large intestine. However, the most important for maintaining good health of the whole organism are the species of lactic acid bacteria. As a result of evolution, the human body has developed the ability to increase the number of probiotic bacteria in the digestive tract. If this mechanism (called probiosis) is disrupted, the body is at risk of disease.
Good lactic acid bacteria are found in the intestines, covering their epithelium tightly. There, they function as a barrier to protect against harmful substances and pathogenic bacteria that appear in the intestines along with the food eaten.
Impact on obesity, diabetes and intimate infections
Bacteria affect many aspects of health. Each of us has a different set of microorganisms, which is why some people digest fat easier than others. This leads to overweight, obesity and type II diabetes.
The quantity and quality of bacteria is also related to vaginal infections. Estrogen is responsible for the proper condition of the microflora protecting the vagina, which is why after menopause the microflora contains less good bacteria. The reason for their “extinction” may also be such factors as:
- Birth control pills,
- Pregnancy,
- antibiotic treatment,
- Using tampons.
When there is less good bacteria, the flora becomes susceptible to infection, which results in burning, itching, frequent urination.
How to replenish good bacteria?
Oral probiotics are used to prevent disruption of the bacterial microflora. These are selected cultures of bacteria or yeast, most often lactobacilli. Their function is to positively affect the digestive system, supporting the maintenance of normal intestinal flora. Therefore, they are introduced in such a form that they survive in the stomach and duodenum. In order for them to function properly, they must also be properly nourished – soluble fractions of dietary fiber have such properties that will help bacteria survive. They are found in many plants, including in leeks, onions, tomatoes, chicory, bananas, peanuts and asparagus.