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'Knowing It in Your Gut': Cross-Talk Between Human Gut Bacteria and Brain ScienceDaily (Mar. 23, 2011) — A lot of chatter goes on inside each one of us and not all of it happens between our ears. Researchers at McMaster University discovered that the "cross-talk" between bacteria in our gut and our brain plays an important role in the development of psychiatric illness, intestinal diseases and probably other health problems as well including obesity.
ScienceDaily: maternal depression in children with epilepsy and it's effect
Arsenic in Water Turns Stem Cells Cancerous, Spurring Tumor Growth: Researchers at NIH discovered exposure to arsenic turns normal stem cells into cancer stem cells and spur tumor growth. Inorganic arsenic, which affects the drinking water of millions of people worldwide, has been previously shown to be a human carcinogen. A body of evidence suggests that cancer is a stem-cell based disease. Cancer stem cells are thought to be the driving force for the formation, growth, and spread of tumors.