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- Androgen deficiency in men
The effects of androgen deficiency depend on how severe the deficiency is, its cause and the age at which the deficiency begins.
- Iron and iron deficiency
About iron and iron deficiency - symptoms, stages, causes, diagnosis, prevention, treatment, who is at risk, daily intake, food sources and supplements.
- Colour vision deficiency (colour blindness)
People who are colourblind usually have difficulty with the colours green, yellow, orange and red
- Rickets
Rickets is a preventable childhood bone disease caused by a lack of vitamin D.
- Iodine
Good sources of iodine include fortified bread and any type of seafood, including seaweed.
- Mouth ulcers
In most cases, mouth ulcers are harmless and resolve by themselves in a few days.
- Vitamin D
A balanced approach to sunlight exposure will help you get enough vitamin D while protecting against skin cancer.
- Goitre
Symptoms of a goitre can include enlargement of the throat, swallowing problems and breathing problems.
- Anaemia
When a person is anaemic, the red blood cells have to work harder to get oxygen around the body.
- Vitamins and minerals
Vitamins and minerals are organic compounds that are required in very small amounts, for a variety of metabolic processes.