Today, of course, is Friday, and in many cultures, that's the day to eat fish.But the health of our oceans may be in danger from a different part of the fish industry, the booming market for fish oil supplements.Now, Paul Greenberg, author of three books on the fishing industry,offers his Humble Opinion on why we should simply eat more of the real thing.The average American eats only around 14 pounds of seafood per year,compared to over 200 pounds of meat.Yet some 18 million American adults, nearly 8 percent of the adult population, take fish oil supplements.As we think about eating light and getting healthy, my advice is to skip the pill and eat the fish instead.First off, most omega-3 supplements come to us from little fish that big fish like to eat.Anchovies, herring, sardines, these essential creatures are the targets of what is called the reduction industry,a multibillion-dollar business that boils down tons and tons of marine life into fertilizer, animal feed and, yes, dietary supplements.If we left those little fish in the water, there'd be many more big fish to eat. No-brainer, right?And if you get past the supplement fixation, it's clear that fish and shellfish are much more than simply vessels for omega-3s.Fish are low in fat, high in protein, and overall a much lower-calorie way of getting essential nutrients into our bodies.Yes, there are issues with mercury contamination with bigger fish,but it turns out that all those little fish that we normally reduce into supplementsand animal feed are some of the lowest in mercury and other pollutants.
今天喜迎周五，在很多国家，周五都是吃鱼的日子。但海洋健康可能正因渔业中不同寻常的一个领域而面临威胁：愈发兴旺的营养品――鱼油。本期我们请到了保罗・葛林柏，他曾写过3本与渔业有关的书籍。他将与我们分享他对于人类应该更多地摄入真材实料的看法。普通美国人平均每年会进食14磅左右的海鲜。与此对比的数据是每年200多磅的肉。不过，近1800万美国成年人，也就是美国成年人总人口中的8%，吃的是营养品――鱼油。由于大家越来越关注进食热量低的健康食品，所以我的建议是；不要吃鱼油丸，直接吃鱼就好。第一个原因是：大多数Omega-3的营养品都取自于小鱼的身上，即大鱼喜欢吃的那种小鱼。小银鱼、鲱鱼、沙丁鱼，这些都是必要的生物，却成为鱼油业捕捉的目标。这个价值数十亿美元的行业将无数海洋生物变成了肥料、饲料和食品强化剂。如果放这些小鱼回水里，我们就有更多的大鱼可以吃。很简单的道理，不是吗？如果大家对营养品的成分有所了解，就应该知道，鱼类和贝类里富含omega-3。鱼类的脂肪含量很低，蛋白质含量却很高，总体来说，既可以让我们低热量进食，又能让身体补充到必要的营养。没错，大鱼现在有汞污染的问题。但我们却发现，我们用来制成营养品和动物饲料的小鱼汞污染等污染程度最低的。
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