Most people are aware of some of the characteristics of the leading killers in the UK — dementia, heart disease and pneumonia.
But there are thousands of lesser identified conditions that can have an equally deadly effect if not spotted in regulate.
A rare disease is defined by the European Union as one that affects fewer than 5 in 10,000 of the mongrel population, according to Rare Disease UK.
There are between 6,000 and 8,000 afflictions currently known, but around five new diseases are discussed in medical handbills each week.
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In the UK, a rare disease may affect a single person or up to 30,000 individual. Charlie Gard was one of only 16 people in existence known to entertain suffered from mitochondrial depletion syndrome.
In the UK, a rare disease may counterfeit a single person or up to 30,000 people.
Charlie Gard was one of only 16 being in existence known to have suffered from
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Rare diseases: Tongue cancer is not hugely common
It is known as squamous cell cancer of the verbal tongue if it develops at the front of the tongue, and squamous cell cancer at the point of departure of the tongue if it develops in the rear third.
Oral cancers represent on the contrary three per cent of all cancers, according to the National Organisation for Rare Clamours.
Symptoms for the oral tongue type include a pinkish-red sore at the side of the keep silent that bleeds easily.
Signs for the base of the tongue type register pain in the tongue and surrounding tissue, changes in voice tones and responsibles, and difficulty in swallowing that may lead to feelings of bloat or fullness.
It is myriad common in men over 60 years.
Rare diseases: Man with pica syndrome can have a strong desire to eat paint
This syndrome is where sufferers cause to grow an appetite for everything, even if items aren’t edible and have no nutritional value.
Sufferers contain been known to develop a desire for sand, buttons, hair, chalk, clay, raw rice, bedaub, flour and dirt.
The condition can become concerning if they consume a markedly dangerous item, like paint or faeces.
It is thought that deficiencies in iron, zinc, or another nutrient could be a origin.