31.   And then there are the millions of people with arrhythmias who have shown no evidence of arrhythmia-related heart problems.

32.   Animal tests, for instance, can determine that a substance causes liver damage, cancer, heart problems or birth defects, but not why it does so.

33.   Another study showed it caused heart problems.

34.   And, given his heart problem, who would have insured another contract?

35.   Anxiety can be a symptom of a medical condition, including low blood sugar, thyroid disorders and some heart problems.

36.   Any history of heart problems?

37.   As for Charlotte, she is ill with a tumor and a heart problem that has her collapsing around town at dramatic moments.

38.   As most people age, they develop chronic ailments such as arthritis, digestion difficulties, heart problems, and brittle bones, to name a few.

39.   At two months, Shaniqua stopped breathing due to narrow breathing passages, and at four months, major heart problems developed.

40.   Augusta Nobles has heart problems and osteoporosis.