5.8.14- How imbalances in, naturally occurring brain chemicals can contribute to health consequences and the development of new drugs

In Parkinson’s disease neurons in the brain die. All these neurons secrete  dopamine

neurotransmitter, which causes difficulty in movement and limb shaking.


In depression neurons in the brain that secrete serotonin neurotransmitter stop working properly and serotonin levels fall.

In both cases treatments that increase the levels of neurotransmitter might prove successful in relieving the symptoms of these diseases