Despite what parents might think, kids have gotten better at self-control

A famous psychological test, repeated with children over the past 50 years, shows surprising results. - Ian Haydon, Philadelphia Inquirer and Daily News

About Robert Zinn

Robert Zinn, M.D., Ph.D. is a medical doctor, physician, and web entrepreneur, who, for over 15 years was employed by academic and research institutions and focused his clinical practices on very specialized patient populations, such as those with rare genetic diseases or rare cancers. He shares his knowledge through his website,

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