Myopia Is More Likely to Occur in _____,As It Is

question 24

Multiple Choice

Myopia is more likely to occur in _____,as it is positively correlated with _____.

• A)developed countries; reading,writing,and using computers
• B)developing countries; reading,writing,and using computers
• C)developed countries; hunting,farming,and gathering
• D)developing countries; hunting,farming,and gathering

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Definitions:

Placebo

A substance with no therapeutic effect, used as a control in testing new drugs, or to influence a participant's belief in the efficacy of a treatment.

Acupuncture Treatments

Involves the insertion of thin needles through the skin at strategic points on the body, used primarily for pain relief and therapeutic purposes in traditional Chinese medicine.

Double Blind

A study or experiment design in which neither the participants nor the experimenters know which participants are receiving the test treatment versus the control, to prevent bias.

Cholesterol Level

The concentration of cholesterol in the blood, measured to assess an individual's risk of developing heart disease.