Causes and symptoms. Electric shocks are caused by the passage of electric current through the body. They are caused in infants and young children by their playing with electrical appliances or cords and in older children by mischievous exploration of electrical systems or use of faulty electrical appliances or tools.
What is parkinsons diseases? Parkinsonâs occurs when certain nerve cells (neurons) in a part of the brain called the substantia nigra die or become impaired. Normally, these cells produce a vital chemicâ¦al known as dopamine. Dopamine allows smooth, coordinated function of the body's muscles and movement.
Causes of Parkinson's disease. Parkinson's disease is caused by a loss of nerve cells in the part of the brain called the substantia nigra.Nerve cells in this part of the brain are responsible for producing a chemical called dopamine.t is not known why the loss of nerve cells associated with Parkinson's disease occurs, although research is ongoing to identify potential causes. Currently, it is believed that a combination of genetic changes and environmental factors may be responsible for the condition.