Vitamin B1
Topic: Biology (জীববিদ্যা)
Beriberi is a disease caused by a vitamin B1 (thiamine) deficiency. There are two types of the disease: wet beriberi and dry beriberi. Wet beriberi affects the heart and circulatory system. In extreme cases, wet beriberi can cause heart failure. Dry beri-beri damages the nerves and can lead to a loss of muscle strength and eventually, muscle paralysis.

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