Which B vitamin deficiency commonly causes the disease beriberi affecting the nervous and cardiovascular systems?
A
Vitamin B1 Thiamine
B
Vitamin B6
C
Vitamin B12
D
Vitamin B2
Correct Answer: Option A — Vitamin B1 Thiamine
Explanation:
Beriberi is caused by a deficiency of Vitamin B1 or thiamine affecting the nervous and cardiovascular systems and was historically common among populations consuming polished rice.