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Study: Autism More Prevalent than Thought
New Drug May Offer Relief Against Multiple Sclerosis
U.K. Seeks to Lead Stem-Cell Research
Survey Notes Link Between Holidays, Teen Depression
China's Space Shot a Prelude to Manned Flight
Framing the Cloning Debate: A War of Words
Cloning Claim Stirs Skepticism, Ethical Debate
Birth of Human Clone Claimed; Scientists Wary
Researchers Skeptical of Human Clone Claim
Does a Low-Calorie Diet Equal a Longer Life?
Smallpox Debate Focuses on the Numbers
Value of Total Body Scans Unclear
'Healthy Maine' Prescription Drug Program in Peril