morbid obesity

the condition of having a body mass index over 39 or weighing 50% to 100% over one’s ideal weight. Morbid obesity is associated with diabetes mellitus, heart disease, joint pain, sleep apnea, and stroke.

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Psychology term of the day

November 21st 2024

feedback system

a circuit in which output information (e.g., biological, mechanical) is used to modulate the input to the same circuit. In a negative feedback system, the output is used to reduce the input; such systems play important roles in maintaining equilibrium of processes within organisms. See homeostasis; positive feedback.