71.   But they advised women to avoid high doses, and to choose supplements with the beta carotene form of Vitamin A.

72.   But when the drugs are taken at high doses or for prolonged periods, they can be harmful, even fatal.

73.   Caffeine, for all its appeal, is not especially potent, and in high doses can be unpleasant, causing irritability, tremor and excessive urination.

74.   Character is coming out in high doses as the Stars count down to the playoffs.

75.   Compared with the conventional vaccine-manufacturing method, genetic engineering makes it easier to produce vaccines in high doses.

76.   Confronted with a high dose of skunk spray, the human nose stops registering the odor and enters a state of olfactory fatigue, Wood has found.

77.   Currently, the company says patients should take the drug at high doses for three months, then continue on a lower dose, a spokeswoman said.

78.   Despite surgery, he was convinced he would never live without pain and stiffness, despite high doses of anti-inflammatory drugs.

79.   Dr. Lynn said she sometimes gave such high doses of morphine or similar drugs that she frightened herself.

80.   Doctors have known for decades that a high dose of birth-control pills taken shortly after sex could prevent pregnancy.