There is also a lot of evidence that probiotics and probiotic foods can help with all sorts of digestive problems (5) This includes irritable bowel syndrome (IBS), ulcers caused by H. pylori infection, and various others (21, 22, 23, 24). For this reason, kefir may be useful if you have problems with digestion.
Bone marrow is the flexible tissue in the interior of bones. In humans, red blood cells are produced by cores of bone marrow in the heads of long bones in a process known as hematopoiesis. On average, bone marrow constitutes 4% of the total body mass of humans; in an adult weighing 65 kilograms (143 lb), bone marrow typically accounts for approximately 2.6 kilograms (5.7 lb).
Report Abuse. The stem cells in a human adult are usually found all over the body. they primarily attend to the function of cell replenishment and repair. these adult or somatic stem cells can be sourced from a simple tissue of a human body for research.Source(s): wikipedia.est Answer: stem cells that is causing all the controversy comes from embryonic tissue they haven't taken on a final role so can have the potential to become a different type of cell such as a cell for a heart or liver but stem cells are found in human organs.