Early cultures separated into tribes (something many countries still do) in order to keep themselves safe. But they needed to mix with other tribes as well–in order to spread their DNA around, as well as to make friends.

In the March 17th edition of the New York Times, Jeffrey P. Kahn writes: "These lifesaving social instincts didn’t’ readily lend themselves to exploration, artistic expression, romance, inventiveness and experimentation–the human drives that make for a vibrant civilization."

For that, Keller says, "We needed beer." It’s thought that beer brewing started 10,000 years ago.
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But I don’t drink too much or take drugs, you say, so how could that be? But you may have a very common addiction–to bread.

CBS News quotes cardiologist William Davis as saying that modern wheat is a "perfect, chronic poison."

Like so many other foods, modern wheat is different from what was grown in the past. According to Davis, the wheat we eat today is "an 18-inch tall plant created by genetic research in the ’60s and ’70s."
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Red meat may be a killer, but what about bread–do carbohydrates really make us fat? Not all carbs are created equal when it comes down to how our bodies are process them. Carbohydrates, whether complex or simple are all converted to blood sugar. The greater the amount consumed the higher blood sugar will be raised. Refined carbohydrates like sugar or white bread are converted and absorbed quickly. Complex carbohydrates like grains are converted more slowly but still elevate blood sugar to high levels. And high blood sugar levels make you hungry, so you EAT TOO MUCH.
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