Macfarlane guessed that the fact that water had to be boiled, together with the stomach-purifying properties of tea meant that the breast milk provided by mothers was healthier than it had ever been.

麦克法兰猜测，水必须煮沸这样的事实，加上茶净化胃的特点，意味着母亲提供的母乳比以往任何时候都更健康。

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The biggest problem is that many mothers believe that breast milk isn't enough, and that, on a hot day, a child needs water as well.

最大的问题是，很多母亲相信母乳喂养并不足够，认为在炎热的日子里，孩子还需要水。

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Many nursing mothers hide their breast pumps.

很多哺乳期妈妈要将泵奶器藏起来，还有些妈妈则在打电话找保姆或询问孩子今天表现如何时佯装工作。

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Dr.Vallenas says there is a widespread misconception that stress or inadequate nutrition, commonly seen during emergencies, can prevent mothers from breast-feeding successfully.

VOA: standard.2009.08.01

The World Health Organization says less than 40 percent of mothers around the world breast-feed their infants in the first six months.

VOA: standard.2009.08.01

Dr.Vallenas says many mothers are discouraged from breast-feeding because they do not know how to get their baby to latch on properly to the breast's nipple, or because they suffer pain and discomfort.

VOA: standard.2009.08.01

"There's a dichotomy of 'good mothers breast feed, bad mothers formula feed', " says journalist Madeleine Morris, who is writing a book about the topic.

BBC: Formula v breastfeeding: Should the state step in?

She also says that the ultimate goal of the study was to find a way to help more mothers breast-feed, and to do so for as long as possible to help their babies.

CNN: How formula could increase breast-feeding rates

The city's Latch On NYC initiative to encourage mothers to breast feed has ignited a fierce debate, as mothers' groups and bloggers debate one of the most personal decisions they'll ever make.

WSJ: One Sure Formula for Controversy