Question

read the text.
claims about cocoa
1 chocolate is often used in decadent desserts, but scientists have been trying to determine if chocolate also has health benefits and what those benefits might be. the idea that chocolate might be good for you stems from studies of the guna, a group of people who live on islands off the coast of panama. they have a low risk of cardiovascular disease or high blood pressure given their weight and salt intake. researchers realized that genes werent the reason: those who moved away from the islands developed high blood pressure and heart disease at typical rates. something in their island environment must have kept their blood pressure from rising.
what is the main focus of the text?
why dark chocolate offers greater health benefits than other kinds of chocolate
how chocolate should be processed in order to maximize the health benefits
the numerous health benefits of chocolate and how to achieve them
the potential health benefits of chocolate and their likely causes

Explanation:

1. Analyze the first option: The text doesn't compare dark chocolate with other chocolates, so this is incorrect.
2. Analyze the second option: The text has no content about chocolate processing, so this is incorrect.
3. Analyze the third option: The text is just starting to explore the idea of health benefits and their causes, not listing numerous benefits or how to achieve them, so this is incorrect.
4. Analyze the fourth option: The text says scientists are trying to determine if chocolate has health benefits (potential benefits) and uses the Guna study to suggest an environmental cause (likely causes), which matches this option.

Answer:

D. the potential health benefits of chocolate and their likely causes