Health encyclopaedia 健康百科全书

Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单

Causes of B12 deficiency原因B12缺乏

The immune system normally makes antibodies to attack bacteria and viruses.免疫系统通常使抗体攻击细菌及病毒。 Pernicious anaemia is caused by an autoimmune disease, which causes the immune system to make antibodies against other parts of your body.恶性贫血的原因是一种自体免疫性疾病，从而导致免疫系统，使抗体对其他部分你的身体。 In pernicious anaemia, antibodies are formed that attack the stomach lining and damage the cells that produce intrinsic factor.在恶性贫血，抗体形成攻击胃衬砌和破坏细胞产生的内在因素。 This stops intrinsic factor from attaching to B12, and so the vitamin cannot be absorbed into your body.这个站的内在因素，从重视B12的，所以维生素不能吸收到您的身体。

Another cause is where the bowel cannot absorb the vitamin B12 because it has been damaged by disease (eg Crohn's disease) or shortened by surgery (usually to treat bowel disease).另一个原因是肠道不能吸收维生素B12 ，因为它已被破坏的疾病（如克罗恩病） ，或缩短手术（通常是治疗肠道疾病） 。 If the bowel has been shortened by surgery, these problems can contribute to a condition known as short bowel syndrome.如果肠已缩短手术，这些问题是可以作出贡献的一个条件被称为短肠综合征。 Short bowel syndrome is a group of problems affecting people who have had half or more of their small intestine removed.短肠综合征是一组的问题，影响人们谁曾一半或一半以上的其小肠删除。 Common symptoms are diarrhoea, cramping and heartburn.常见的症状是腹泻，腹部绞痛和心。 Some people become malnourished because their remaining small intestine is unable to absorb enough water, vitamins, and other nutrients from food.有些人成为营养不良，因为他们剩下的小肠无法吸收足够的水，维生素和其他营养素的食物。

Occasionally, some people who follow a Vegan diet may become deficient in B12.偶尔，有些人谁走一条纯素食的饮食有可能成为在B12的不足。 This is because is not found in vegetable foods (such as fruit, vegetables and grains).这是因为没有找到在蔬菜食品（如水果，蔬菜和谷物） 。

• B12 deficiency B12缺乏 Babies crying 婴儿哭声 Babies, weaning 婴儿断奶 Back pain 背部疼痛 Bad breath 口臭 Baker's cyst 贝克的囊肿 Balanitis balanitis Barium enema 钡剂灌肠 Bedwetting 尿床 Behcet's disease 白塞氏病 Bell's palsy 贝尔氏麻痹 Bicarbonate 碳酸氢铵 Binge eating 狂欢的饮食 Biopsy 活检 Bipolar affective disorder 双相情感性精神障碍 Birthmarks birthmarks Bites 叮咬 Bites, insect 叮咬，昆虫 Bites, snake 咬伤，蛇 Bladder infections 膀胱感染 Bladder stones 膀胱结石 Bleeding gums 牙龈出血 Blepharitis blepharitis Blisters 水泡 Blood donation 捐血 Blood gases test 血气分析测试 Blood groups 血型 Blood poisoning 血液中毒 Blood pressure (high) 血压（高） Blood pressure (low) 血液的压力（低） Blood tests 抽血化验; Blood transfusion 输血 Blushing 害羞 Body odour 身体发出的气味 Body piercing 身体穿孔 Boils 归结起来 Bone cyst 骨囊肿 Bone marrow donation 骨髓捐赠 Bone marrow transplant 骨髓移植 Botox 肉毒杆菌毒素 Bottle feeding 奶瓶喂哺 Botulism 肉毒中毒 Brain abscess 脑脓肿 Brain death 脑死亡 Brain injury 脑损伤 Brain tumour 脑肿瘤 Breast abscess 乳腺脓肿 Breast implants 乳房植入体 Breast lump 乳房的硬块 Breast reduction 乳腺癌减少 Breastfeeding 母乳喂养 Breathlessness 呼吸急促 Broken bones 骨折 Bronchiectasis 支气管扩张症 Bronchiolitis 毛细支气管炎 Bronchitis 支气管炎 Bronchodilator drugs 支气管扩张药物 Bulimia 贪食症 Bunion bunion Bursitis 滑囊炎

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