For example, nuclear magnetic resonance (now with the new PC title magnetic resonance imaging), was applied to help look inside people.
Other medical physics applications:
... under the age of 18, 4.8% from 18 to 24, 27.3% from 25 to 44, 28.7% from 45 to 64, and 13.9% who are 65 years of age or older. The median age is 41 years. For every 100 ...