Question

Name the chemical, deficiency of which causes Parkinson’s disease while excess production may lead to schizophrenia.
A. Dopamine
B. Acetylcholine
C. Endorphins
D. Glycine

Answer 1

Hint:The neurotransmitter allows you to feel pleasure, motivation and satisfaction. Reward oriented people get addicted to alcohol, drugs, etc.

Complete answer:
Parkinson disease is the neural disorder. It is caused due to loss of neurotransmitter i.e. Dopamine in the area of the brain called substantia nigra. The person affected from this disease suffer from the symptoms of feeling tired, unmotivated, impaired balance and loss of spontaneous movement. The person also experiences the loss of smell as their olfactory neurons get damaged. The autonomic nervous systems get damaged due to which patients suffer from constipation and low blood pressure.
Excess dopamine secretion can also affect diversely causes the disorder known as Schizophrenia. The patient experiences the loss of ability to focus, anxiety and sleeping disorder. The patient has poor impulse control and becomes more competitive.

Note:The loss of smell and small handwriting is the first sign of the patient suffering from Parkinson disease. Exercise and physical activity can reduce the symptoms of this disease. Schizophrenia is a disorder related to psychosis in which the person loses contact with reality.