of conserving fluid). When we came across
these flavors, neurotransmitters in our brain
would help us remember that these foods were
good choices by sending us signals of pleasure
and reward, reinforcing the experience in our
memories. These important signals from
nature helped us select the foods best suited to
our health.
But there is one very important point to
keep in mind with respect to these signals
from nature. They weren’t designed to tell us
which foods were delicious—they were
designed to tell us which foods were
nutritious.
In nature, pleasure and reward signals led
us to vital nutrition.The trouble is that in today’s world, the
ancient signals persist —but the foods that
relay them are anything but good sources of
nutrition. And that creates a major disruption