Joe Schwarcz: investigates 'good' and 'bad' in food

Once upon a time, we used to sit down to dinner and all that mattered was what the food tasted like. If it pleased the palate, we ate it. Oh, how times have changed! Now the dinner table has become a virtual laboratory where foods are evaluated in terms of being either “good” or “bad.” It makes sense. After all, food is the only raw material that ever enters our body, so we are what we eat. And the myriad chemical reactions that go on in our body all the time — which, taken together, constitute “life” and determine health — all depend to some extent on the nutrients supplied by our diet.

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