The fourth census of China in July 1990 found that there were 69 people aged over 100 years old in the yao autonomous county of guangxi, and the famous longevity town in the world. 1993 Beijing sent a 7 person team to Obama inspected after back to 25 copies of feces samples provided by the centenarians check-up, authoritative expert analysis of the experiment report by the air force general hospital: centenarians longevity in vivo bifidobacterium content than the general health of the old man of bifidobacterium about 100 times higher in the body.
Nutritionists in the study also found that the bifidobacterium and closely related to dietary fiber, fiber is bifidobacterium nutrients, only have enough nutrition, bifidobacterium in intestinal breed in large quantities. Bifidobacterium is the most important beneficial bacteria, it can determine the health and life of human body; After a lack of immunity, the immune system declines and causes disease. The bifidobacterium in the body is zero at the time of illness or death.