Cognitive development is Jean Piaget's theory. Through a series of stages, Piaget proposed four stages of cognitive development: the sensorimotor, preoperational, concrete operational and formal operational period.
The versatility of Bifidobacterium longum as a lactic acid microorganism is reflected in its capacity to resist under harsh conditions such as stomach acid, bile, pH fluctuations, and gastrointestinal passage.
The large population of beneficial bacteria in your gut helps keep you healthy. Many bacteria live in your intestines in a parasitic relationship that benefits both you and them. Lactobacillus bacteria belong to a class of bacteria known as lactic acid bacteria. Bifidobacterium produce lactic acid as an end product of fermentation. Lactic acid bacteria ferment foods, which lowers the pH level and prevents harmful bacterial growth.