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1 Winter tingible depression cold days of physical love disgruntled on Tue Feb 26, 2013 7:43 am

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天易染抑郁症 寒冷天身体爱闹情绪
http://health.msn.com.cn 2012-11-30 04:45:00 来源: 人民网 [liuxiangqin]
冬天易染抑郁症 寒冷天身体爱闹情绪
冬天易染抑郁症 寒冷天身体爱闹情绪
  冬天气温低,昼夜温差大,多雾。这种特殊的自然气候,对人体会产生什么影响呢?
  冬季日短夜长,日照明显减少。失去了阳光强度的抑制作用,大脑松果体褪黑激素分泌开始增多,同时引起甲状腺素和肾上腺素分泌水平下降,从而使人感到情
绪低沉,精神不振,浑身懒散。这种表现是季节性情感失调综合征中的一种,又称“冬季抑郁症”。由此可知,冬天的太阳,是不可多得的营养素和解郁良药。
  冬天常有强冷空气和寒潮侵袭,冷锋过境时,气温骤降,常常伴有大风、雨雪、冰冻等恶劣天气。这种低气温环境,可致人体抵抗力下降,从而诱发各种疾病。
  寒冷刺激可使鼻黏膜毛细血管收缩,并导致气管、支气管痉挛,为各种致病微生物的侵入创造了条件,引发感冒、流感、气管与支气管炎、肺炎等呼吸系统疾
病。
  寒冷还能引起心、脑动脉血管痉挛收缩,导致血流减慢,血液黏稠度增加,血压升高,心脏负担加重,使冠心病患者出现心绞痛、心肌梗塞,脑动脉硬化及高血
压患者发生中风。
  有关资料显示,冬季不仅是呼吸和心脑血管系统疾病的高发期,而且也成为这类疾病死亡的高峰。医学研究表明,冬季80%以上的死亡率高峰与寒冷气候有
关。因此,在影响生命的气象要素中,寒冷是“死神”的帮凶,是危害人类健康的“首犯”。
  寒冷天气会使胃炎、胃与十二指肠溃疡患者病情加重。阴冷潮湿的环境,对结核病、肾脏病、风湿性关节炎等病患者亦会产生不利影响。
  冬天要注意加强对“雾害”的防范。雾里的有害物质能刺激人体五官、皮肤和呼吸道,引起炎症反应,重者则可导致中毒,甚至危及生命。
  当气温下降时,空气中所含的水蒸气凝结成小水点飘浮在接近地面的空气中,即形成所谓的雾。冬天多雾,雾中常混有多种难以消失的尘埃、工业废气、汽车尾
气等化学污染物以及各种病原微生物。雾中所含的有害物质,比通常大气水滴要高出几十倍。
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Winter tingible depression cold days of physical love disgruntled

http://health.msn.com.cn 2012-11-30 04:45:00 Source: People's Network [liuxiangqin]


Winter tingible depression cold days of physical love disgruntled

Winter tingible depression cold days of physical love disgruntled


Low temperatures in winter, the temperature difference between day and night, and foggy. This particular natural climate will have any effect on the human body, it?


Winter days are short and the nights are long, sunshine significantly reduced. Lose
the strength of the inhibitory effect of the sun, the brain pineal
melatonin secretion began to increase, at the same time caused a
decline in levels of thyroxine and epinephrine secretion, which makes
people feel low mood, lack of energy, feeling lazy. This performance is seasonal affective disorder syndrome, also known as "winter depression". Thus, the winter sun is the nutrients and Jieyu rare medicine.


Often
strong cold air and cold winter invasion of cold fronts, the
temperature plummeted, often accompanied by strong winds, rain, snow,
ice and other inclement weather. This low-temperature environment, can lead to decreased immunity the body, so as to induce a variety of diseases.


The
cold stimulation nasal mucosa capillaries can shrink and to cause
tracheal, bronchial spasm, and create the conditions for the intrusion
of a variety of pathogenic microorganisms cause colds, flu, trachea and
bronchitis, pneumonia and other respiratory diseases.


Cold
can cause spastic contraction of the heart, brain arteries, blood flow
slows down, the increase in blood viscosity, high blood pressure, heart
burden, and coronary heart disease in patients with angina, myocardial
infarction, cerebral arteriosclerosis, stroke and hypertension .


The
information shows that the winter is not only a high incidence of
respiratory and cardio-cerebral vascular system diseases, and death of
these diseases peak. Medical research shows that the peak of winter for more than 80% mortality with cold climates. Therefore,
affect the lives of meteorological elements, cold is the accomplice of
the "death" of harm to human health, "the culprit.


The cold weather will cause gastritis, gastric and duodenal ulcer patients sicker. Cold and wet environments, tuberculosis, kidney disease, rheumatoid arthritis patients also will be adversely affected.


Winter, pay attention to strengthening the "fog harm prevention. The
mist of harmful substances can stimulate the human facial features,
skin and respiratory tract, causing inflammation and severe cases can
lead to poisoning, even life-threatening.


When
the temperature dropped, the water vapor contained in the air condenses
into droplets floating in the air close to the ground, and that the
formation of the so-called fog. Winter
foggy mist often mixed with a variety of difficult disappear dust,
industrial emissions, automobile exhaust and other chemical pollutants,
as well as a variety of pathogenic microorganisms. Mist contained harmful substances, several times higher than the usual atmospheric water droplets.]

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