41.   Be especially concerned if all members of the household have the same symptoms.

42.   Because one-third of people with this syndrome have no symptoms, it is not safe to assume that a person without symptoms has not inherited the syndrome.

43.   Because there has been no effective treatment, people have not been widely advised to see a doctor if they have symptoms of a stroke.

44.   Both ailments have symptoms that can make your stomach churn.

45.   A few decades ago, it was widely believed that chest X-rays could save lives by finding lung cancers before people had symptoms.

46.   A parent with the gene may have no symptoms, but a child who inherits it may have serious problems.

47.   A professor of neurology in Philadelphia says the study was poorly done, recruiting people who had no evidence of sinus disease but who did have symptoms of migraine.

48.   A spokesman at United Blood Services said the company only knew of one person who was sick with Lyme disease, though several others had symptoms of disease.

49.   A second group has symptoms affecting the nervous system, including memory loss, confusion, fatigue, muscle weakness and nerves numbness or tingling.

50.   About half of the people who have heart attacks do not have symptoms before being stricken, Gojer said.