Or the opposite. You eat bad food, it decreases your intelligence or at least your ability to function effectively (bad digestion, blood sugar spikes, general

Or the opposite. You eat bad food, it decreases your intelligence or at least your ability to function effectively (bad digestion, blood sugar spikes, general longer term health issues). Then you spiral down. Fresh food isn't expensive. On the contrary; it's extremely cheap compared to the benefits it confers. It's far better value for money than, say, another 5 sqm on your living quarters.