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The video begins with an introduction to the effects of arthritis, followed by a brief greeting.

What is the initial tone of the video?

• Friendly and welcoming

• Excited and enthusiastic

• Abrupt and unexpected

• Calm and soothing

What is the main topic introduced in the video?

• The history of medicine

• The importance of diet

• The benefits of exercise

• The effects of arthritis

How does the speaker address the audience at the end?

• With a detailed explanation

• With a farewell

• With a question

• With a simple greeting