Studies suggest that floating pieces of amyloid beta called oligomers are what's killing off brain cells in Alzheimer's - Reuters (article link)

- The plaques may be the body's way of trapping and neutralizing oligomers.
- "The plaque is not the main culprit in terms of toxicity,"
- "It actually sequesters all of that amyloid," adding that oligomers are "the really toxic substance."

New theory of Alzheimer's explains drug failures
http://www.reuters.com/article/idUSTRE64B4N120100512