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Answers from the BJC Experts

Ask the BJC Expert allows you to get the answers you need about a variety of health, medicine and exercise issues to help you live a more healthy life.

Please browse the most recent questions below or use the search the questions feature to see if the answer to your question is already given. If not, please submit a new question for our experts.

I weigh 300 pounds and am just starting to exercise. When I do, my heart rate goes to 175. Should I be worried?

Heart rates during exercise is highly individualized — typically we recommend that an individual exercise at around 75 percent-95 percent of their max heart rate, which can be estimated by subtracting your age from 220. If you’re 30 years old, your estimated max heart rate is 190. You may find that you can exercise at a higher percentage while still feeling fine, and that’s just how your body works. I do recommend that you consult your primary care doctor and have him or her confirm that you do not have any cardiovascular issues before continuing strenuous exercise.

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