Getting older doesn’t have to mean getting frailer.

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For cancer patients, one of the toughest questions can be knowing when it’s time to let go.

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When Howard D. Schultz in 1985 founded the company that would become the wildly successful Starbucks chain, no financial adviser had to tell him that coffee was America’s leading beverage and caffeine its most widely used drug. The millions of customers who flock to Starbucks to order a double espresso, latte or coffee grande attest daily to his assessment of American passions. Although the company might have overestimated consumer willingness to spend up to $4 for a cup of coffee — it recentl…

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Rheumatoid arthritis does not have to mean an end to the things you love.

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Each year hundreds of thousands of Americans, including some 700,000 Medicare recipients, get on a treadmill not for exercise but to try to determine if their hearts are healthy. Tim Russert, the NBC journalist, had such an exam, called an exercise or treadmill stress test, six weeks before he died of a heart attack last month at age 58. His results had been deemed normal, prompting people to question how worthwhile this test could be.

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As with any product used to excess, consumers often wonder about the health consequences of caffeine.

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