America remains the world's biggest manufacturer, after all, because it's still the largest market for everything from drugs and packaged foods to high-end medical equipment.

美国仍是世界上最大的制造商，毕竟，从药品到包装食品再到高端医疗设备，美国仍是世界上最大的市场。

youdao

Without proper research and medical advice, some people may eat the wrong kind of foods and become vitamin deficient.

如果缺乏正当的研究和医学上的建议，有人可能会因为偏食而导致营养不良。

youdao

As people's responses to different foods become better understood, meals could become more like a course of medical treatment than a pleasure.

随着人们对不同食物的反应越来越多地被掌握，膳食可以变身成为一系列疗法而非单单的用餐快事。

youdao

Clinical trials conducted on medical foods or supplements typically involve much smaller numbers of patients than drug trials.

WSJ: 'Medical Foods' and Supplements for Brain Health Advance

In order to speed their products to market, some companies skip the drug route and brand their products as medical foods or "nutraceuticals, " as the industry calls the huge category of over-the-counter nutritional supplements.

WSJ: 'Medical Foods' and Supplements for Brain Health Advance

The best approach is probably to buy supplements from a pharmacy, health food store, qualified health care professional such as medical or naturopathic doctor, or from a large retail chain such as Whole Foods Market, which has very rigid standards for evaluating all supplements that its stores carry.

CNN: How can I pick the healthiest brand of red yeast rice?