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How was Dr. Berk and Dr. Tan's research measured?
A. By measuring brain scans
B. By measuring physical growth
C. By timing laughter rates
D. By measuring changes in blood samples

Respuesta :

Answer:

blood sample

Explanation:

to see how the person blood is at and if there is something wrong

Answer:

D) By measuring changes in blood samples.

Explanation:

Dr. Berk and Dr. Tan collected blood samples and measured their interferon-gamma (IFN) before, during, and after the participants had watched the video. This was done in order to focus on the laugher immune connection.

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