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Unit 1
Car History
HistoryEvolutionIconic Cars
Unit 3 • Chapter 2

Common Tasks

Video Summary

A new study has found that people who eat a diet rich in fruits and vegetables are less likely to develop chronic diseases such as heart disease, stroke, type 2 diabetes, and some types of cancer. The study, which was published in the journal JAMA Internal Medicine, followed over 120,000 people for an average of 26 years. During that time, over 26,000 people developed one of the chronic diseases studied. The researchers found that people who ate the most fruits and vegetables had a 20% lower risk of developing heart disease, a 24% lower risk of stroke, a 31% lower risk of type 2 diabetes, and a 13% lower risk of some types of cancer. The study also found that people who ate the most fruits and vegetables had a lower risk of all-cause mortality, meaning they were less likely to die from any cause.

Knowledge Check

How did the Googlers solve the problem of being able to use a keyboard while wearing gloves?

What kind of task is the Googlers were trying to solve?

What was the motivation for the Googlers to solve this problem?