Why Is the Median Age (The Age at Which Half

question 59

Multiple Choice

Why is the median age (the age at which half the population is older and half is younger) rising in the developed world?

• A) The baby boom generation is dying off.
• B) Fertility is declining and the baby boomers have entered later life.
• C) Birth rates are going up.
• D) Life expectancy is decreasing.

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Definitions:

Night Terror Disorder

A sleep disorder causing feelings of terror or dread, and typically occurs during the first hours of stage 3-4 non-REM sleep and can cause significant distress.

REM Sleep Behavior Disorder

A sleep disorder where individuals physically act out their dreams during REM sleep, often resulting in injury or disturbance.

Electroencephalogram (EEG)

A test that measures electrical activity in the brain using small, flat metal discs attached to the scalp.

Positron Emission Tomography (PET)

An imaging test that allows doctors to check for diseases in your body by injecting a radioactive tracer to observe metabolic activities.