Selenium and zinc deficiency

Question 1

What are key functions of selenium in the body?

Answer 1

Antioxidant activity, thyroid support, immune function, reproduction, and DNA production.

Question 2

What are common causes of selenium deficiency?

Answer 2

Inadequate diet or prolonged parenteral nutrition.

Question 3

When should selenium supplements be given?

Answer 3

Only when there is good evidence of deficiency.

Question 4

What are key functions of zinc in the body?

Answer 4

Supports the immune system, wound healing, and DNA/protein synthesis.

Question 5

Which patients are at higher risk of zinc deficiency?

Answer 5

Those with malnutrition, alcoholism, IBD, and malabsorption syndromes.

Question 6

What condition is treated with zinc?

Answer 6

Wilson’s disease.

Wilson’s disease is a genetic disorder characterized by the excess build-up of copper in the body. Symptoms are typically related to the brain and liver. Liver-related symptoms include vomiting, weakness, fluid build-up in the abdomen, swelling of the legs, yellowish skin, and itchiness.

Question 7

Is long-term high-dose zinc supplementation safe?

Answer 7

No, it should be limited due to risks like GI effects, copper deficiency, reduced immunity, anaemia, and genitourinary issues.

Question 8

Does parenteral nutrition typically include zinc?

Answer 8

Yes, trace amounts are usually included.