Consider Denny Fongheiser of Santa Monica, Calif. At 52, his usual 3-mile-a-day walk suddenly left him panting, but his insurer wouldn't pay for a stress test because his cholesterol was normal.

想一想加利福尼亚州圣塔莫尼卡市的Denny Fongheiser，他在52岁的时候，原来每天走3英里的路毫不费力，可是现在走完后却气喘吁吁，但他加入的保险公司不会为他的压力检测埋单，就因为他的胆固醇数值是正常的。

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