Vitamin D ’slashes cancer risk’, BBC News:

Do you ever wonder that we don’t seem to get rid of cancer yet we have lots of stories about cures (or methods to reduce risk…). Read: Another Paper Questions Scientific Paper Accuracy which includes links to: “Why Medical Studies Are Often Wrong” and “Contradicted and Initially Stronger Effects in Highly Cited Clinical Research.” Just a reminder that you can’t rely on headlines (the truth is usually much less clear). Plus, of course, the difficulty of turning research findings into practical solutions means there are often long delays before widespread results can be enjoyed by society.