Which of the following deficiency of vitamin causes Beriberi?

The correct answer is Vitamin B1.

Key Points

• Beriberi is caused by a deficiency of Vitamin B1, also known as thiamine.
• Thiamine is crucial for the body's ability to convert food into energy, particularly in the metabolism of carbohydrates.
• There are two main types of beriberi: wet beriberi (affecting the cardiovascular system) and dry beriberi (affecting the nervous system).
• Symptoms of beriberi can include weight loss, emotional disturbances, impaired sensory perception, weakness and pain in the limbs, and periods of irregular heart rate.

Additional Information

• Thiamine (Vitamin B1)
  • Thiamine is a water-soluble vitamin that plays a key role in glucose metabolism and is essential for the functioning of the nervous system, muscles, and heart.
  • Good dietary sources of thiamine include whole grains, meat (especially pork), and fish.
  • Thiamine deficiency can result from poor dietary intake, chronic alcoholism, or certain medical conditions that affect absorption.
  • Recommended daily intake of thiamine varies by age, sex, and physiological status, with higher needs during pregnancy and lactation.
• Symptoms of Thiamine Deficiency
  • Early symptoms can include fatigue, irritability, poor memory, sleep disturbances, and gastrointestinal issues.
  • Severe deficiency can lead to beriberi or Wernicke-Korsakoff syndrome, which is associated with neurological symptoms.
  • Treatment involves thiamine supplementation and dietary modifications to ensure adequate intake.
• Wernicke-Korsakoff Syndrome
  • A severe neurological disorder caused by thiamine deficiency, often associated with chronic alcoholism.
  • Characterized by symptoms such as confusion, coordination problems, eye abnormalities, and memory impairment.
  • Requires immediate medical treatment with thiamine supplementation to prevent permanent damage.