ADHD is a common, treatable childhood illness that can affect areas of the brain connected to problem solving, planning ahead, understanding others' actions and controlling impulses.

ADHD是一种常见的可治愈的儿童疾病，它可能影响大脑与问题解决、未来计划、对他人行动的理解以及冲动控制相连的部分。

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The problem of childhood obesity is proportional to the number of environmental factors such the location of a grocery store, relative to a home.

儿童肥胖症的问题和环境与因素有关，比如：杂货店相对于家的位置。

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Doctors say frequent headaches and migraines are among the most common childhood health complaints, yet the problem gets surprisingly little attention from the medical community.

医生说，频繁的头疼和偏头疼是最为常见的儿科疾病之一。至今这个问题还没引起医学界的足够重视。

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I cannot even make it look hard because I have memorized this problem from childhood, so there is no way I can make this look difficult.

我不会让这些问题变得看起来复杂,因为这些问题我童年时就熟记于心,我无法让它变得复杂

耶鲁公开课 - 基础物理课程节选

She discussed the magnitude of the problem of childhood obesity, especially during current times as a busier culture.

WHITEHOUSE: Battling the Childhood Obesity Epidemic

To find additional information on how we can solve the problem of childhood obesity within a generation, visit www.

WHITEHOUSE: The White House

We're talking about the problem of childhood hunger this hour.

NPR: Child Hunger: Nutritious Food Tough To Afford