Any news article about a new medical research finding should be read with Peter Norvig's advice on interpreting research studies at hand.<p><a href="http://norvig.com/experiment-design.html" rel="nofollow">http://norvig.com/experiment-design.html</a><p>The autnor of the submitted article (Harriet Hall) is well aware of such issues, and raises many of them in this blog post. Her longer presentation on interpreting medical research<p><a href="http://www.skepticstoolbox.org/hall/" rel="nofollow">http://www.skepticstoolbox.org/hall/</a><p>is well worth a read.