The average salt intake of Australians is three times the salt they normally need. Most salt is obtained from processed foods. Excessive salinity can lead to high blood pressure, heart disease, kidney disease, stroke, etc. However, many people are "addictive" to eating salt. Australian scientists recently published research and found the reason for salt addiction for the first time.
The Times reported that researchers from the Florey Institute in Australia first discovered salt-addicted brain neurons and their mechanisms. This study was published in the Proceedings of the National Academy of Science. This study has raised new hopes for restraining people from eating too much salt and promoting a healthy diet. For other addictive conditions, especially drug addiction, painkillers addiction and so on.
The researcher, Craig Smith, a professor of neuroscience at Deakin University, said that precisely, the opioid system in the brain causes this, and the body exercises and eats food and other activities. Naturally secreted opioids, until now, people know the position of the opioid system in the brain.
Using the exclusion method, the researchers performed three different opioid blockers on experimental mice and did not allow them to eat salt for two days until the third day before they were allowed to drink salt water. The mice in the first two groups greedily consumed salt water and drank 5 percent of their body weight in 1 hour, while mice in the third group that received naloxonazine blockers only consumed 2 percent of their body's saline.
Smith said that the salt-related opioid system is located in the central amygdala region of the brain, and is located in the same area as the place where positive and negative emotions are generated. “Until now, we know that the naturally secreted opiates of this brain area will make people more like salt. ."
In this regard, the researchers said that this discovery can develop new drugs for people who need a low-salt diet.
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