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

B12 deficiency B12缺乏

Your body needs vitamin B12 in order to create red blood cells and keep the nervous system healthy.你的身体需要的维生素B12 ，以创造红血细胞，并维持神经系统健康。 It is also needed to absorb folic acid and it helps to release energy.这是也需要吸收叶酸和有利于释放能量。 It is absorbed through your intestines from a variety of foods, but mainly meat, fish and dairy products.这是吸收，通过您的肠子从各种食品，但主要是肉类，鱼类和乳制品。 It can be stored in the body in small amounts, and around 80% of this is stored in the liver.它可以储存在体内，在少量，约80 ％ ，这是储存在肝脏中。 It may take three or four years for the symptoms of deficiency to develop.它可能需要三或四年，为的症状缺乏发展。

Vitamin B12 cannot be absorbed on its own.维生素B12不能吸收其本身。 It has to combine with another substance called 'intrinsic factor' which is produced by your stomach lining.它必须结合起来，与另一物质的所谓'内在因素' ，这是由您的胃内层。

Vitamin B12 deficiency usually develops for one of the following reasons:维生素B12缺乏通常的发展之一，原因如下：

• Your stomach cannot produce enough intrinsic factor您的胃不能产生足够的内在因素
• Your intestine cannot absorb enough vitamin B12您的肠道不能吸收足够的维生素B12
• You do not eat enough food containing vitamin B12 (this may happen to people following a Vegan diet)你不要吃足够的食物含有维生素B12 （这可能发生在人们继纯素食饮食）

• Symptoms 症状
• Causes 原因
• Prevention 预防
• References 参考
• Diagnosis 诊断
• Treatment 治疗

• 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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