According to a new study, positive emotions can be of great help in fighting cancer.

This new study, titled Modulation of anti-tumour immunity by the brain’s reward system, was published in the science journal Nature.

It claimed that there is a deep connection between the patient’s mental state and cancer survival.

The study was conducted on mice and explored the role of the brain’s reward system in fighting tumours.

According to the study, some immune cell subsets like Myeloid Derived Suppressor Cells, support tumour growth by suppressing the anti-tumour immune response and by generating a favourable environment for the tumour.