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APA 2013:孕期高脂多糖饮食或致子女酗酒、超重

2013-08-06 林小春 新华社

高脂肪与含糖量高的食物被许多医学组织与专家列为孕妇饮食的禁忌。美国一项最新动物研究发现,女性怀孕期间吃太多高脂肪与含糖量高的食物,其后代长大后不仅容易超重,酗酒或药物滥用的风险也较高。 负责此项研究的美国佛罗里达大学神经学家妮科尔·阿弗纳指出,现代社会美味可口的高脂肪与多糖食品到处可见,美国绝大多数孕妇超重很有可能是高脂肪与多糖食品吃太多。另一方面,儿童肥胖增多,酗酒与药物滥用的青少年数量上升,

高脂肪与含糖量高的食物被许多医学组织与专家列为孕妇饮食的禁忌。美国一项最新动物研究发现,女性怀孕期间吃太多高脂肪与含糖量高的食物,其后代长大后不仅容易超重,酗酒或药物滥用的风险也较高。

负责此项研究的美国佛罗里达大学神经学家Nicole Avena指出,现代社会美味可口的高脂肪与多糖食品到处可见,美国绝大多数孕妇超重很有可能是高脂肪与多糖食品吃太多。另一方面,儿童肥胖增多,酗酒与药物滥用的青少年数量上升,对这些日益严重的问题,应从可能的根源上进行研究。

阿弗纳等人拿老鼠做实验,他们给部分雌鼠喂食高热量食品,给另外一些雌鼠喂食蔗糖或高果糖玉米糖浆含量高的食品,结果发现,与正常饮食雌鼠产下的后代相比,高脂肪饮食雌鼠产下的后代长大后明显酒精上瘾,其体内与心脏病风险相关的甘油三酸酯水平也高得多。高糖含量饮食雌鼠产下的后代同样存在酒精上瘾问题,并对被滥用的药物安非他命强烈敏感,即便给予很小的剂量也会极为亢奋。

阿弗纳8月3日在夏威夷召开的美国心理学会年会(APA)上还报告说,实验结束时,与正常饮食雌鼠的后代相比,高脂肪与高糖含量饮食老鼠的后代体重均要大得多。

这一研究也支持此前动物研究得出的结论,即吃太多会改变大脑的赏罚机制,常吃高脂肪、高糖含量食品会让人出现类似吸食毒品后的上瘾行为。阿弗纳说:“即便还在母腹里,高脂肪与含糖多的食品也会导致老鼠嗜酒和对药物敏感的倾向,而不仅仅是增加体重。”  

原始出处:

Presentation: “Fat and Sugar in Gestation, Pre-weaning and Adulthood: Behavioral Vulnerability to Drugs of Abuse,” (PDF, 544KB) Nicole Avena, PhD, symposium 4045, Saturday, Aug. 3, 8-9:50 a.m. HST, Hawai’i Convention Center, room 305B  

Gold MS, Avena NM.Animal Models Lead the Way to Further Understanding Food Addiction as Well as Providing Evidence that Drugs Used Successfully in Addictions Can Be Successful in Treating Overeating.Biol Psychiatry. 2013 May 28. doi:pii: S0006-3223(13)00401-0.

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    2013-08-12 dingp

    动物研究与人体还是有差别的

    0

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    2013-08-08 仁心济世
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    2013-08-08 pcw111

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