"It is a deficiency which should be resolved".
The best known cause is growth hormone deficiency, which can be treated, but there are others, including some genetic syndromes.
She unraveled the cause of another genetic disease, purine nucleoside phosphorylase deficiency, which also compromises the immune system.
In developing countries, 200-300 million children of preschool age are at risk of vitamin A deficiency, which can be devastating and even fatal.
Doctors found that she had a vitamin B-12 deficiency, which resulted in nerve loss, and began giving her vitamin shots.
Finally a doctor figured out that the patient was on megadoses of zinc, causing a copper deficiency, which led to the infection, and neutropenia.
Cal's 5-alpha-reductase deficiency, which has made him appear to be a girl for so many years, is caused by a recessive gene.
One genetic disorder is known to cause emphysema, a condition called alpha-1-antitrypsin deficiency, which accounts for a small percentage of cases.
At many anti-aging clinics, doctors claim that patients have clinical hormone deficiency, which afflicts about one in 10,000 adults.
One of the biggest concerns for cats is the risk of taurine deficiency, which can lead to blindness and death if not treated.
And 500 million women aged 15 to 49 have anaemia mainly due to iron deficiency, which reduces their productivity, economic potential and reproductive outcomes health.
