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		<h1>Trí nhớ sắc bén nhờ ngủ đủ giấc</h1>
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			<li>Thứ hai - 24/09/2012 20:18</li>
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			Các nhà khoa học đã phát hiện những phụ nữ có thời lượng giấc ngủ hằng đêm thay đổi nhiều hơn hoặc ít hơn 1-2 giờ so với trước đây sẽ có trí nhớ kém hơn so với những người có giấc ngủ không thay đổi trong mấy năm theo dõi.
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			<div style="text-align: center;"> <strong><span style="font-size:16px;">Trí nhớ sắc bén nhờ ngủ đủ giấc</span></strong></div>&nbsp;<div style="text-align: justify;"> <span style="font-size:14px;"><img alt="" src="https://cuucshuehn.net/uploads/news/2012_09/man-sleeping.jpg" style="width: 250px; height: 167px; margin-left: 10px; margin-right: 10px; float: right;" />Phương pháp đơn giản giúp trí nhớ được tốt là duy trì giấc ngủ đủ giờ, điều này cũng đúng đối với người trung niên và người lớn tuổi.<br  /> &nbsp;<br  /> Một khảo sát được tiến hành trên 15.000 phụ nữ, những người này được theo dõi giấc ngủ bằng cách trả lời câu hỏi về thời lượng ngủ mỗi đêm, trong khoảng thời gian 14 năm. Đồng thời những phụ nữ này cũng được khảo sát về tình trạng trí nhớ mỗi năm, kéo dài trong sáu năm khi họ được 70 tuổi hoặc hơn.<br  /> &nbsp;<br  /> Các nhà khoa học đã phát hiện những phụ nữ có thời lượng giấc ngủ hằng đêm thay đổi nhiều hơn hoặc ít hơn 1-2 giờ so với trước đây sẽ có trí nhớ kém hơn so với những người có giấc ngủ không thay đổi trong mấy năm theo dõi.<br  /> &nbsp;<br  /> Theo khuyến cáo chung, thời lượng giấc ngủ lý tưởng nhất mỗi đêm là khoảng bảy giờ.<br  /> &nbsp;</span></div><strong>Bs Huỳnh Khiêm Huy</strong> (Theo Alzheimer’s Association International Conference 2012)
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				<strong>Tác giả:</strong>
				Bs Huỳnh Khiêm Huy
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