Mental Health

Can Mental Health Disorders be Revealed from a Blood Test?

The WHO states that mental health is the ability of an individual to recognize their potential, manage typical life pressures, work successfully and constructively, and make a positive contribution to society”. Newer analyses of genetic, biochemical, and psychological statistics from almost a thousand individuals show that mental health illnesses such as schizophrenia, depression, and anorexia have correlations to biological markers identified in regular blood tests.

A biomarker is basically a substance found in the body that indicates the presence of an ailment or event. These are frequently related to the results of a blood test requested by your doctors, such as blood sugar, cholesterol, vitamins, inflammatory indicators, or liver enzymes. Biomarkers identified in routine blood tests are valuable since they are frequently influenced by food, lifestyle, and pharmacological therapy.

Via a blood test, your doctor will be able to identify the diagnosis and suggest the appropriate therapy. However, diagnosing and treating mental diseases is significantly more challenging. People frequently perceive mental health to be distinct from physical health. This is far from the case; numerous biochemical substances linked to diseases like diabetes and autoimmune disorders directly impact brain function.

Possible blood tests 

  • CBC (Complete blood count): 

A CBC examines and counts the different cell types circulating in the blood. Anaemia or infections, both of which can cause lethargy, can be detected with this test.

  • Panel for Thyroid Function: 

Thyroid tests look for hormones generated by the endocrine system in the bloodstream. Mood problems can occur whether the thyroid gland is underactive or hyperactive.

  • Liver function tests: 

A simple blood test can frequently reveal abnormalities in the liver caused by inflammation or injury. Lethargy and other symptoms of liver illness are comparable to those of mental health disorders. If a person’s liver isn’t functioning correctly, it might suggest alcohol abuse, leading to mental disorders. Depression and liver disease have a direct correlation. Depressive symptoms are present in every third patient with cirrhosis of the liver or hepatitis.

  • Creatinine and Blood Urea Nitrogen:

The levels of creatinine and BUN indicate how effectively the kidneys are operating. Not only may renal illness cause depression-like symptoms, but doctors must first determine whether kidney function is affected before giving them medications.

  • Blood sugar:

An increasing stream of science demonstrates that blood sugar or glycaemic up and downs are correlated. Glycaemic regulation symptoms have been proven to closely resemble mental health symptoms such as irritation, anxiety, and concern. This is expected, given that glucose is the brain’s primary fuel.

  • Calcium and Magnesium levels:

Calcium and magnesium levels that are excessively extreme might induce psychiatric disorder; however, this is uncommon.

Biomarkers identified in standard blood tests are valuable since they are frequently influenced by food, lifestyle, and pharmacological therapy. If your doctor diagnoses you with mental illness, you must adhere to the treatment plan to recover. It’s critical to take your prescriptions precisely as directed. Moreover, you should follow your doctor’s recommendation to make lifestyle modifications and see a psychotherapist.


Navya Koshi

Navya Mariam Koshi is a diligent, self-motivated Pharm D graduate using this platform to leverage her skills in this field to provide excellent and exceptional health care services to the public.

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