Ключевые слова: acid, acidophilus, bacillus, background, bacteria, bacterial, bacterium, bifidobacterium, biological, biology, biotechnology, cancer, cell, colony, design, digestion, disease, fermentation, flora, flu, good, gut, health, healthy, human, illness, infection, lactic, lactobacillus, medical, medicine, micro, microbe, microbiology, microbiome, microbiota, microorganism, microscopic, molecule, prebiotic, probiotic, probiotics, research, science, scientific, therapeutic, virus, yoghurt, yogurt,