Trace Elements

Question 1

Fluoride:

Answer 1

Fluoride strengthens teeth, hardens tooth enamel and helps prevent tooth decay (see p. 15).

The NHS recommends brushing your teeth twice a day with fluoride toothpaste.

It’s found in fish, tea, fluoridated water and dental products (toothpaste and mouthwash).

Too much fluoride is toxic and can lead to brown-coloured teeth, bone problems and cancer.

Too little fluoride can lead to weak teeth and enamel, which leads to tooth decay.

Question 2

Iodine:

Answer 2

lodine is needed to make some hormones used by the body.

It’s found in seafood, dairy foods and vegetables.

A serious lack of iodine can cause goitre (neck swelling) and complications in unborn babies.

Question 3

Where can minerals and trace elements be taken in through?

Answer 3

In addition to food, minerals and trace elements on be taken in through multivitamin supplements (p.66).