How damaged hearts could be healed by growing stem cells
But researchers from Israel warn that clinical trials could be a decade away, as more work in the laboratory and major investment are needed. (Source: the Mail online | Health)

Memantine Judged Ineffective for Mild Alzheimer's
Of all the Alzheimer's drugs currently approved by the FDA, memantine is the only one that is in a class of drugs called NMDA receptor antagonists, drugs which act to regulate the brain chemical glutamate. The others (Aricept, Exelon, and Razadyne) are all cholinesterase inhibitors, which act to increase levels of acetylcholine in the brain. Memantine (trade name Namenda) is approved for use in patients with moderate to severe Alzheimer's disease, but many doctors also prescribe it off-label for use in people with only mild or mild-moderate disease. One way researchers and clinicians characterize disease severity in this way is by scores on the Mini-Mental State Exam, or MMSE. But in an article published April 11 in the on-line edition of the Archives of Neurology , Lon Schneider, MD an...