Another recent study found that a single tillage does not harm yield or soil structure in land that is normally not tilled.

VOA: special.2010.09.28

Now,a new study adds to evidence that non-smokers who live or work around smokers can experience psychological harm as well.

VOA: standard.2010.06.15

Exaggerated praise can do harm, according to a study of 313 children ages 8 to 13 published this month in the Journal of Experimental Psychology.

WSJ: The Right Level of Self-Esteem for a Child

London, England (CNN) -- Alcohol ranks "most harmful" among a list of 20 drugs, beating out crack and heroin when assessed for its potential harm to the individual imbibing and harm to others, according to study results released by a British medical journal.

CNN: STORY HIGHLIGHTS

The study cannot definitively prove this harm, but it is well done and the findings are very suggestive.

FORBES: The FDA Is Faster. Now Let's Make It Safer