Examlex
___________ are produced when two galaxies pass near each other and pull large streamers of stars, gas, and dust away from the galaxies.
Overweight
Having more body fat than is optimally healthy, typically measured by a body mass index (BMI) over 25.
Obese
A medical condition characterized by excessive body fat that presents a risk to health.
Teenagers
Individuals in the age group of 13 to 19 years, characterized by rapid physical, emotional, and cognitive changes.
Leptin
is a hormone produced by fat cells that helps to regulate energy balance by inhibiting hunger, thereby influencing body weight and appetite.
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