The answer would be Prevent yourself from knowing what was in the pill bottles, and distributed the bottles randomly to the subjects
When researcher know which group got the treatment and which group got placebo, they might be biased. It will be better if the researcher is "blinded" and ask third party to help labeling the drug. The drug should be distributed randomly to makes the subject in control and treatment group as similar as possible.
When the body blood sugar level decrease, the hypothalamus causes the drive to acquire food. The hypothalamus is the area of the forebrain under the thalamus that bring together both the autonomic nervous system and the action of the pituitary, directing body temperature, thirsting, starvation, sleeping and emotional doings.
ANSWER can you make ur screen bigger sorry i cant see well my school glasses broke