Why do they say tomatoes of today arent as healthy as tomatoes of the past?

I have read somewhere before that said tomatoes of today provide little nutritional benefit, than they did ages ago. The thinking was that farmers re-use the soil and the tomatoes being one of the plants which leaches trace minerals the most. This destroys the soil, leading to the same yield, but much less... show more I have read somewhere before that said tomatoes of today provide little nutritional benefit, than they did ages ago. The thinking was that farmers re-use the soil and the tomatoes being one of the plants which leaches trace minerals the most. This destroys the soil, leading to the same yield, but much less benefit to the consumer. Any truth or more info on this subject?
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