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心脏瓣膜退行病变通常发生在40岁以上的人身上，因为组织的灵活性退化可能最终导致心脏瓣膜畸形和心脏瓣膜返流。因此，它会降低心脏的效率，并导致以下症状: 心脏瓣膜

泰国的腹腔镜手术是一种在腹部进行诊断和治疗。尽管存在许多其他侵入性较小的诊断方法，例如超声检查，CT扫描和MRI扫描，但有时这些方法无法为医生提供可用于治疗特定问题的信息。

乳腺癌是女性最常见的癌症。女人越老，她们患乳腺癌的风险也就越大。因此，每个妇女每年都 应接受乳房X光检查的乳腺癌筛查测试。40岁以上的女性 我们应该至少每年进行一次筛查测试 进行筛选测试的适当时间是在月经期后7-10天。

有许多引起子宫腺肌病的疾病，例如棘齿,、子宫肌瘤，子宫癌和子宫内膜异位症。 子宫腺肌症是当子宫内膜在器官的其他部位生长时发生的疾病。如果它发生在卵巢中，则称为巧 克力囊肿。如果发生在子宫肌层，子宫肌层壁会变厚，子宫也会变大。当发生子宫腺肌病时，患者将出现以下症状： 1.月经加重 2.月经绞痛 3.降低腹部压力 4.下腹部隆起

PM 2.5 Dust is one of the lung cancer’s carcinogens. Thus, you should avoid outdoor activities and wear a mask to protect yourself from PM 2.5 Dust. Children and the elderly are more sensitive to PM 2.5 Dust than others.

中国武汉市爆发的病毒性肺炎是由2019-2020年新型冠状病毒（2019-nCOV）引起的疾病，这是一种新型冠状病毒，是人与人之间传播的疾病。该病毒通过咳嗽，打喷嚏，唾液和痰传播。该病的潜伏期通常为5 – 7天左右，但可能会延迟到2周。感染病毒的人可能有以下症状；发烧 发烧

One of the most popular travel destinations for long holidays in nature, such as forest, mountain, cave, and the waterfall. However,

Overseas travelling could bring us new experiences, joy, and happiness as well as the good memories. However, travelling might increase risk of sickness that could destroy your travelling’s happiness and time. Thus, travelers need to receive the following standard vaccines;

Many people may think that officers might be a career that has a high risk of spondylosis because of their lifestyle that needs to walk a lot.