If an apple a day kept the doctor away 50 years ago, it might be time to start eating two apples a day. "Something curious has happened to a lot of our fresh produce, which is that it has less nutrients in it than it did in 1950 or 1960, and nobody knows quite why," Michael says.

One way to get those missing nutrients is to buy organic and sustainably grown food."It's still very nutritious," he says. "If you can afford it, buy organic, buy sustainable."


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