Ginseng jabs kill three in Yunnan

'Time-bending drug' for jet lag
Scientists announce promising trial results for a new drug for jet lag pill that can reset the body's natural sleep rhythms.

Gene 'may ward off lung cancer'
Scientists have pinpointed a gene which protects against lung cancer, raising hopes of new treatments.

Cervical cancer deprivation link
Women living in deprived areas are more likely to be diagnosed with cervical cancer, English research finds.

China melamine death toll rises
China has increased to six the estimated number of children who died from drinking dairy products contaminated with melamine.

Caesarean 'raises asthma risk'
Babies born by Caesarean section are more prone to developing asthma, say Dutch researchers.