The study published in the journal Child Abuse Neglect reviewed earlier studies to produce a detailed analysis of the existing literature on the topic . The authors called for childhood verbal abuse to be ascribed its own category of maltreatment to facilitate prevention . The lasting effects of verbal abuse can manifest as mental distress such as depression and anger externalizing symptoms such as committing crimes substance use or perpetrating abuse and physical health outcomes such as developing obesity or lung disease . The study was commissioned by Words Matter a British charity that aims to improve childrens health by ending verbal abuse the study was carried out by researchers at Wingate University in North Carolina and University College London . Researchers also called for a need for consistency in defining the abuse so that its prevalence and impact can be appropriately measured and measured and interventions developed . Some children respond differently to being yelled at. Toddlers are likely to only absorb the frustration and not the substance of the yell while some children respond to the substance the yell is important too she added. The researchers cited several papers cited in the new study said . Researchers cited several studies that suggested the effects of shouting by adults such as parents teachers and coaches cited several other papers cited as well as adults . The World Health Organization said it may be a potential shift in childhood abuse may be occurring as the prevalence of emotional abuse has increased . The researchers also said it could also suggest that adults should avoid shouting insults putdowns or name calling when talking to children as well to avoid shouting at children . The research was published by the researchers. The research is published in The Journal of Child Abuse Nomenomenon is available online. The study is published by The International Child Abuse Abuse Nominations, published online on October 1, 2009. The National Institute for Mental Health and