Determining How Brain Acid Affects Brain Function
A study by Iowa University neuroscientist John Wemmie, M.D., Ph.D. and published in the Proceedings of the National Academy of Sciences (PNAS) Early Edition reveals that elevated acidity or low pH-levels are associated with panic disorders, anxiety and depression and that changes in the brain's acidity are significant for normal brain activity. Wemmie, a UI associate professor of psychiatry says: We are interested in the idea that pH might be changing in the functional brain because we've been hot on the trail of receptors that are activated by low pH... (Source: Health News from Medical News Today)

Miracle sweetener stevia may have a sour note
PARIS (Reuters) - The meteoric rise of a natural, healthy alternative to sugar - a holy grail for the food industry - might just be a little too good to be true. (Source: Reuters: Health)