Apsychologist might investigate why people continue to smoke or eat high fat and processed food despite knowing the potential adverse health implications of such behaviors.

A health psychologist.

Explanation: Health psychology study is the application of psychological knowledge and techniques to health, disease and healthcare. The are concerned about how psychological, behavioral and cultural factors can do to physical health and illness. Health psychologists study the reactions of people in this conditions when in a disease.

there are treatment options for depression (mdd) that may work for you. one way of treating depression may be to affect the levels of certain chemicals that brain cells use to communicate, called neurotransmitters. scientists believe that certain neurotransmitters may be out of balance in depression.

although the exact way depression medications shown to ease overall depression symptoms in some people work is unknown, scientists think that some medications work by affecting the levels of a neurotransmitter called serotonin in the brain. other treatments work by affecting the levels of other neurotransmitters like norepinephrine or dopamine.

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