Menthol smokers have more strokes: Study

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Some experts say menthol makes it easier to start smoking and harder to quit because its taste masks the harshness of tobacco.

Among people who smoke who prefer mentholated cigarettes tend to have more strokes than non-menthol smokers – and this seems to be especially true for women and non-African Americans, according to a North American study.

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Transplanted Stem Cells Undo Birth Defects

Transplanted Stem Cells Undo Birth Defects 

 Neural stem cells, tagged green with a fluorescent dye, have been transplanted among the brain cells (red) of a mouse born with brain damage after its mother was given heroin during pregnancy.

By injecting stem cells directly into the brain, scientists have successfully reversed neural birth defects in mice whose mothers were given heroin during pregnancy. Even though most of the transplanted cells did not survive, they induced the brain’s own cells to carry out extensive repairs.

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