The second type of dystrophy is called Becker’s dystrophy. It manifests itself in patients a little later, usually after the age of 10. The first symptoms of this type of dystrophy include weakness in the calf, pelvic and thigh muscles. Scientists warn that 30% of patients did not get sick for reasons genetic , but their chromosome was attacked by a new mutation.
Achondroplasia – It is one of the most common causes of dwarfism. The disease is caused by an abnormal mutation in the FGFR3 gene , the receptor for the fibroblast growth factor. Achondroplasia is one of the bone dysplasias, i.e. impaired bone growth. People with achondroplasia are generally small. The adult reaches 120-130 cm, has a characteristic long torso and very short limbs. The skull, on the other hand, is expanded and has a broad, convex forehead.
Diagnosis of achondroplasia in a child is possible already during pregnancy using ultrasound of the amniotic fluid. The disease is caused by a gene mutation that prevents the skeletal system from developing efficiently. A parent’s disease means a child is 50 percent likely to have it. The disease cannot be treated, but spinal canal surgery is performed to prevent compression of the spinal cord. Limb extension surgery is also one option.
Parasite causes malaria – Parasitic protista apikomkpleks that cause malaria, changing the chemical composition of the odors of their host so that their fragrance attracted more mosquitoes. The aim is to provide a spread descendants. They form the most attractive fragrance mosquito at the time in which the disease is most infectious.
Addictive sunbathing – The need exposure to the Sun, as the most important source of vitamin D, we encoded in the genes. UV radiation causes the body’s production of endorphins. The hormones of happiness, of which we can be quite addictive.
Smoking causes lung cancer – It wasn’t clear until 1950. Published the first scientific article, showing the relationship between smoking and the progression of lung cancer.
Recent Comments