Can Neuroscience Conquer Obesity?
The neuroscience of eating is a budding field that may have profound implications for how we understand, and ultimately defeat, the public health menace that is obesity.
What's the Latest Development?
The neuroscience of eating is a budding field that may have profound implications for how we understand, and ultimately defeat, the public health menace that is obesity. Regulating our food intake may require a better understanding of the brain's pleasure centers. "Pictures of mouthwatering foods can activate brain-reward pathways and stimulate the urge to eat—a response that is often countered by simultaneous suppression signals from 'executive control' centers elsewhere in the brain. In obese individuals, though, the ability to suppress the initial brain-reward signals is often impaired. Thus, biological changes in the brain’s capacity to control our drive to eat might serve to perpetuate obesity."
What's the Big Idea?
Ultimately, it remains unclear whether greater understanding will be enough to overcome the potentially harmful changes we have made to our food environment. "Our brains were designed for a time when food was scarce and starvation was a common cause of death. While too much hunger remains in modern times, most people in the United States face a challenge opposite to what our distant ancestors faced. Natural selection has not wired us for a scenario in which food is abundant, relatively inexpensive and often high in calories." Still, knowledge about how our new environment affects us may be an important first step.
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Meteorologists propose a stunning new explanation for the mysterious events in the Bermuda Triangle.
One of life's great mysteries, the Bermuda Triangle might have finally found an explanation. This strange region, that lies in the North Atlantic Ocean between Bermuda, Miami and San Juan, Puerto Rico, has been the presumed cause of dozens and dozens of mind-boggling disappearances of ships and planes.
Nazi supporters held huge rallies and summer camps for kids throughout the United States in the 1930s.
- During the 1930s, thousands of Americans sympathized with the Nazis, holding huge rallies.
- The rallies were organized by the American German Bund, which wanted to spread Nazi ideology.
- Nazi supporters also organized summer camps for kids to teach them their values.
A Bund parade in New York, October 30, 1939.
Credit: Library of Congress
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Tea and coffee have known health benefits, but now we know they can work together.
Credit: NIKOLAY OSMACHKO from Pexels
- A new study finds drinking large amounts of coffee and tea lowers the risk of death in some adults by nearly two thirds.
- This is the first study to suggest the known benefits of these drinks are additive.
- The findings are great, but only directly apply to certain people.