Princess Margaret may have suffered from fetal alcohol syndrome brought on by the Queen Mother 's heavy drinking during pregnancy, according to a new biography that claimed the princess endured a hidden disability throughout her life.

RadarOnline.com can reveal Meryle Secrest, 95, a Pulitzer Prize-nominated writer, has examined the late Queen Elizabeth 's sister Margaret's struggles in her new book Princess Margaret and the Curse . Article continues below advertisement

Princess Margaret May Have Had Fetal Alcohol Syndrome Tap Here To Add Radar Online as A Trusted Source

The author suggests while the princess did not display the condition's most obvious facial markers, her volatile personality and lifelong health issues are consistent with children exposed to alcohol in the

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