91.   For the most part, these diseases are caused by faulty transmitters in the brain, he said.

92.   Gambia is one of only two African nations that routinely vaccinate against hepatitis B, which causes liver disease and can lead to liver cancer.

93.   Genetic tests already can detect rare but serious disorders in infants and can find single malfunctioning genes that cause diseases such as Duchenne muscular dystrophy and cystic fibrosis.

94.   Government researchers suggested that sperm in the male bowel caused the disease, a theory that made little sense to me because homosexuality is probably as old as society.

95.   Gum disease is caused by plaque or bacteria that naturally accumulate on the surface of teeth and gums.

96.   He argues that the rivers of information rushing at us drive us to distraction, make us depressed, even cause disease.

97.   He also said that research on other viruses that cause respiratory disease was lagging and the centers were strapped to help investigate a recent case of human rabies.

98.   He believes that prion disease is caused by a virus.

99.   His detractors say all of his evidence is consistent with the notion that the diseases are caused by conventional agents, like viruses.