Which of the following statements is true about heart rate and exercise? a. it is best to exercise your heart as hard as possible. b. maximum heart rate can be calculated by taking 220 minus your age. c. your recommended exercise heart rate is 30% of your maximum heart rate. d. all of the above are true statements.

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Jen is reviewing information about a new treatment for arthritis pain that she saw on an informational website. most of the information is testimonials from satisfied users. which best indicates that this information is unreliable? it is not paid for by product sponsors. it is on a website that is not run by professionals. its claims are based mostly on anecdotal evidence. its claims are not supported by the provided information.

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