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1. Argyria - The Peculiar Skin Condition
Argyria, also known as blue skin disease, is a rare skin condition caused by exposure to silver, characterized by the skin turning a dull gray color. Besides the skin, the eyes are the second most affected organ. Those who work in silver processing factories, come into contact with high concentrations of silver in the air and water, or have used and absorbed high doses of silver-containing medications are at the highest risk of developing this condition. Generally, this condition does not threaten human life, health, or work activities, but it remains incurable to this day, with a very small proportion of people affected.
6. Elephant foot edema
Elephant foot edema (elephant-like swollen foot) is caused by filarial worms. The presence of filarial worms in the lymphatic system (the immune system) causes inflammation and blockage of the lymphatic system. Filarial larvae invade the human body through transmission by Culex fatigans and Anopheles hyrcanus mosquitoes (this is a fairly common disease in tropical and subtropical regions). It is estimated that there are currently about 115 million people affected by the disease. Adult filarial worms mature in the lymphatic vessels and lymph nodes, where they produce larvae. Mosquitoes feed on larvae (from infected individuals) to transmit them to healthy individuals. Since 2002, the Elimination of Filarial Worms program in Vietnam has been implemented nationwide following the guidelines of the World Health Organization (WHO). Results from 2013-2016 showed that no cases of this type of parasite were detected in Vietnam.
7. Pica Syndrome
Pica Syndrome, also known colloquially as eating disorder, refers to when a person craves or eats non-food items, such as dirt, rocks, or sand. Most medical guidelines worldwide classify Pica as an eating disorder. Some women experience Pica syndrome during pregnancy. Individuals with Pica crave or eat items that are not food. Many individuals crave a specific item. Common cravings include: rocks, dirt, clay, hair, burnt matchsticks, chalk, soap, and coins. Those affected by Pica crave or eat non-food items. Currently, there is no way to classify this behavior. However, healthcare professionals need to assess a range of co-occurring conditions, including mental health, to try to determine possible causes. Pica often develops in individuals with mental health issues, but not all those with Pica have mental health problems. Pica is also more common in children and pregnant women. Additionally, children with Pica may hide their behavior from parents and caregivers.
Apert syndrome, originating from alterations in genetic material, impedes cognitive development, resulting in fused fingers and toes. Approximately 1 in 70,000 infants are affected by congenital Apert syndrome. This genetic variation manifests on a single gene located on chromosome 10 of the offspring and is closely correlated with paternal age. The syndrome induces stunted skeletal growth and cartilage underdevelopment, where soft tissues progress normally but bones remain underdeveloped.
Children afflicted with Apert syndrome may exhibit atypical speech patterns, often lacking nasal resonance due to underdeveloped mid-facial structures, diminutive nasal features, and an elongated soft palate. Pronunciation may be unclear owing to malocclusion and heightened palatal arch. Auditory impairments or delayed overall development may also impact language acquisition and speech articulation. Surgical intervention to rectify abnormal bone connections stands as the primary treatment modality for Apert syndrome.
Disorders related to lower limb fat dysregulation occur due to issues with fat metabolism and storage in the body. This condition is not congenital. Lower limb fat dysregulation typically affects subcutaneous fat, altering physical appearance. Fat dysregulation can also cause other bodily changes. The condition commonly presents in children but can also affect adults. Onset typically occurs between the ages of 8-10. Both conditions disproportionately affect girls, with a threefold higher incidence compared to boys, leading to abdominal fat accumulation and a prematurely aged appearance.
Doctors are uncertain about the exact causes of fat dysregulation disorders, but several factors may contribute, including infections such as measles, pneumonia, mononucleosis, or hepatitis; autoimmune diseases; repeated injections or pressure applied to the same area of the body; and trauma.
