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研究发现摄入高糖饮食或影响大脑中多巴胺的作用_我的网站

A |     摄入太多糖与一些健康问题有关，包括胰岛素抵抗、2型糖尿病和某些癌症的发展、心脏病风险增加、视力下降等。密歇根大学的新研究发现，它还可能影响大脑中多巴胺的作用。    The president of a Detroit synagogue was found stabbed to death outside her home Saturday morning, police and the synagogue said.The Isaac Agree Downtown Synagogue put out a statement later in the afternoon identifying the victim as board president Samantha Woll.Detroit police responded to a 911 call of an unresponsive person around 6:30 a.m. and found a body outside a home on Joliet Place. The woman, who was not immediately identified by investigators had suffered multiple stab wounds, police said."At this point, we do not have more information, but will share more when it becomes available. May her memory be a blessing," the synagogue said in a Facebook post.In an update shared on Sunday, the Detroit Police chief said in a brief statement that there is no evidence to point to the crime being motivated by antisemitism."The investigation into the death of Ms. Woll remains ongoing. At this time, however, no evidence has surfaced suggesting that this crime was motivated by antisemitism," Chief James White’s statement read.“DPD investigators are working with the FBI to forensically analyze all of the information obtained up to this point in an effort to ascertain the timeline that ultimately led to Ms. Woll's death. Individuals with information that may further this investigation are being interviewed,” his statement continued.Authorities are investigating Woll's death as a homicide, police said on Saturday."Police officers observed a trail of blood leading officers to the victim’s residence, which is where the crime is believed to have occurred," the police said in a statement.The investigation remains ongoing.A law enforcement official briefed on the probe told ABC News that the preliminary investigation has revealed there was likely no forced entry to Woll’s home.Woll's death comes as law enforcement agencies across the country are warning of increased anti-Semitic threats in light of the ongoing Israel-Hamas conflict.Woll had a long career in local politics and worked with several elected officials over the years, according to her LinkedIn page.She recently served as the political director for Michigan Attorney General Dana Nessel's re-election campaign.Nessel released a statement on X, formerly known as Twitter, expressing shock at Woll's murder."Sam was as kind a person as I’ve ever known. She was driven by her sincere love of her community, state and country. Sam truly used her faith and activism to create a better place for everyone," Nessel said in her post which included a photo of Woll.Woll also worked as a deputy district director for U.S. Rep. Elissa Slotkin, D-Mich., who also released a statement on X following her death."She did for our team as Deputy District Director what came so naturally to her: helping others & serving constituents. Separately, in politics & in the Jewish community, she dedicated her short life to building understanding across faiths, bringing light in the face of darkness," Slotkin said.Michigan Gov. Gretchen Whitmer said the state police will be assisting the Detroit Police department in the investigation."My heart breaks for her family, her friends, her synagogue, and all those who were lucky enough to know her. She was a source of light, a beacon in her community who worked hard to make Michigan a better place," she said in a statement.Other Michigan elected officials also expressed their condolences."Decades ago, I shared a day of joy with Sam at the dedication of the newly renovated Downtown Synagogue. It was a project she successfully led with great pride and enthusiasm. Sam’s loss has left a huge hole in the Detroit community," Detroit Mayor Mike Duggan said in a statement to ABC affiliate WXYZ. Woll's funeral was planned for Sunday afternoon, according to WXYZ.Anyone with information is urged to call the Detroit Police's Homicide section at 313-596-2260.ABC News' Ben Siegel and Josh Maroglin contributed to this report. 。在苍蝇、啮齿类动物和人类的大脑内，有依赖多巴胺这种神经递质来处理甜味食物的神经回路。研究发现，当摄入高糖饮食时，苍蝇大脑中的奖励信号要么延迟，要么减少，削弱了它们对食物的饱腹感，增加了它们的食量。

B | 研究人员发现，当这些奖励信号减少时，研究中的苍蝇就不会感到那么满足，最终会连续吃上几个小时......正如预料的那样，吃得太多的苍蝇最后都长胖了。幸运的是，研究发现，用更健康的饮食取代高糖饮食，可以逆转这种抑制作用，神经回路恢复了敏感度，食物消耗最终减少。

C | 这可能有助于解释以下这种情况：许多人报告说，当他们改用像生酮饮食这样的低碳水化合物饮食方案时，他们感到食欲减少。

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Published on:09:38:17