The Bush administration is rescinding new standards for arsenic in drinking water and proposing to lift new requirements on mining interests as its latest challenges to environmental regulations issued during the final days of the Clinton presidency. Provides a summary of research using bone marrow stem cells to repair a damaged heart, such as after a heart attack. The results were very favorable in mice and represent a possible breakthrough in improving heart function, as well as reducing future difficulties caused by a heart attack. Describes a research study that shows promise for fighting Strep throat, pneumonia, and other infections that are normally resistant to antibiotics. The virus is engineered to destroy only one type of bacteria, an effective and possibly healthier solution compared to use of conventional antibiotics.
Conventional antibiotics attack useful as well as infectious bacteria.
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