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You Are an Epidemiologist, and You Want to Find Out

question 4

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You are an epidemiologist, and you want to find out why some people exposed to the flu actually get the flu and others exposed to the flu do not get it. Which study design should you use?


Definitions:

Neurotransmitters

Chemical substances in the nervous system that transmit signals from one neuron to another across synapses.

Opioid Peptides

Natural chemicals in the brain that act like morphine, playing key roles in pain relief, reward, and addictive behaviors.

Oxytocin

A hormone and neurotransmitter involved in childbirth, lactation, and social bonding.

Endocrine Gland

Glands of the endocrine system that release hormones directly into the bloodstream to regulate various body functions.

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