Rare diseases and symptoms list
A disease is an abnormal and pathological condition that affects either a part or a whole organism. Although diseases have specific symptoms and signs for easier detectability, most diseases, and more often, rare diseases go by undetectable even for some doctors. Causes of a certain diseases can vary from external or internal conditions or dysfunctions. Diseases are categorized in four main types, namely: pathogenic, deficiency, hereditary and physiological diseases. Diseases can also be classified as communicable and non-communicable. Diseases like HIV and cancer have sadly become a household name. Although not any less painful, there are many more diseases out there that most people don’t know about. Rare diseases can come out of nowhere and can happen to anyone. It can simply be from a virus or a genetic disorder. Regardless of the type of disease, they’re still an uncomfortable issue to talk about and no fun at all. Here’s a roundup of the top ten rare diseases that you might never even heard of. Some are too intense that you’d probably never wish you’d seen them in the first place.
More commonly referred to as SMA, Spinal Muscular Atrophy is an autosomal recessive disease caused by a genetic defect in the SMN1 gene. They usually attack the muscles of the lower extremities, followed by the upper extremities, spine and neck. More severe cases include the pulmonary and mastication muscles. Proximal muscles are always affected earlier and to a greater degree than distal. SMA manifests in different degrees of severity, but all have general muscle wasting and mobility impairment in common. Other bodily systems may be affected, principally in early-onset forms. SMA is the most common genetic cause of infant death.
9. Cyclic Vomiting Syndrome (CVS)
Initially thought to affect only children, Cyclic Vomiting Syndrome or CVS can occur in any age group. It is characterized by episodes of severe vomiting with no apparent cause. These episodes can last for hours or days with alternative symptom-free periods of time. Hence, there’s no way to predict when an episode will again occur. However, episodes normally start at the same time of the day, with the same length of time, with similar symptoms and level of intensity. CVS affects almost 2% of school age children, with number of diagnosed cases in adults increasing. Because vomiting is a symptom of many illnesses and disorders, CVS is not easily diagnosed in individuals. Cases can be so severe as to having to stay in bed for days and may be related to migraines.
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