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

No one should be surprised that a new study casting doubt on the harm done by being overweight is being celebrated by the American media.

FORBES: Obesity: The New 'Just Say No' For 2013

The CIVCAS Manual is intended in part to remedy some of the serious deficiencies noted in the Joint CIVCAS Study, which examined the causes of civilian harm and recommended techniques to prevent civilian casualties during combat.

FORBES: Army Publishes New "Manual" on Preventing Harm to Civilians

The new study indicates that computer-aided mammography is doing more harm than good, by exposing women to unnecessary tests and anxiety.

NPR: Is Mammogram Software Effective at Detecting Cancer?

So why not just ignore that study, and use instead the other, equally reputable one, which imputes no harm to knocking back these pills that stave off osteoporosis?

FORBES: What Did You Know, and When Did You Stop Knowing It?

But economists who study the unintended consequences of tariffs conclude that even in this special case, tariffs do more harm than good.

FORBES: Do Tariffs Protect an Infant Industry?

The largest-ever study of niacin has failed to show a clinical benefit for niacin and even found a strong signal of harm.

FORBES: HPS2-THRIVE: No Benefit, Signal Of Harm For Niacin Therapy