维基百科中的醫學内容仅供参考，並不能視作專業意見。如需獲取醫療幫助或意見，请咨询专业人士。詳見醫學聲明。
区域办事处 非洲 美洲 东地中海 欧洲 东南亚 西太平洋 关于世卫组织 就业机会 常见问题 联系我们
現代人工作忙碌，飲食習慣差，多為外食、重口味並常延遲用餐，加上生活壓力大、熬夜、作息不穩定，以及長期久坐、缺乏運動等，這些不良生活習慣都會增加罹癌風險。
体重减轻。癌症和癌症治疗可能导致体重减轻。癌症肿瘤会夺取正常细胞的营养。这通常不受摄入多少卡路里或吃哪类食物的影响，而且难以治疗。在大多数情况下，通过管子将人工营养输入胃或静脉中并不能帮助改变体重减轻的状况。
观察患者有无局部肿块，明确其位置、边界、质地、颜色、疼痛性、活动性等情况。
The commonest sorts of cancer differ, although the cancer load seems at least as significant in pets as in human beings. Animals, usually rodents, will often be used in cancer research and experiments of purely natural cancers in larger animals may well gain research into human cancer.[272]
化学致癌物，例如石棉、烟草烟雾成分、酒精、黄曲霉毒素（一种食品污染物）和砷（一种饮水污染物）；
Western conceptions of patients' legal rights for those with cancer involve a obligation to totally disclose the health care scenario to the person, and the right to have interaction in shared choice-earning in a way that respects the individual's personal values. In other cultures, other rights and values are most popular. Such as, most African cultures value full family members as an alternative to individualism. In parts of Africa, a prognosis is usually created so late that overcome is not possible, and remedy, if out there in any respect, would promptly bankrupt the spouse and children. As a result of these aspects, African healthcare companies are likely to Enable family members choose no matter if, when And just how to disclose the diagnosis, and they have an inclination to take action bit by bit and circuitously, as the individual exhibits interest and an power to cope While using the grim information.
The word comes from The traditional Greek καρκίνος, that means 'crab' and 'tumor'. Greek physicians Hippocrates and Galen, among the Many others, observed the similarity of crabs to some tumors with swollen veins. The word was released in English in the fashionable healthcare perception close to 1600.[28]
身体的化学变化。癌症会打乱您体内正常的化学平衡，增加出现严重并发症的风险。化学失衡的体征和症状可能包括过度口渴、尿频、便秘和意识混乱。
At that point, Microsoft Advertising will use your total IP tackle and consumer-agent string to ensure that it could effectively course of action the advert click on and demand the advertiser.
癌症源于正常细胞转变为肿瘤细胞的多阶段过程，通常从癌前病变发展到恶性肿瘤。这些变化是一个人的遗传因素与三种外部因素相互作用的结果，外部因素包括：
Pour se mettre un peu à l’horizontale, profiter de la mer et des cocotiers, passer quelques 癌症 jours sur les îles les additionally proches de la capitale :
If a substantial error happens, the harmed mobile can self-destruct via programmed cell Demise, termed apoptosis. Should the mistake Manage processes fail, then the mutations will survive and be passed along to daughter cells.