Scientists see mechanism for spontaneous HIV ‘cure’

French scientists have unveiled the genetic mechanism by which they believe two men were cured of HIVFrench scientists said Tuesday they had found the genetic mechanism by which two HIV-infected men may have experienced a "spontaneous cure", and said it offered a new strategy in the fight against AIDS. Both men were infected by the human immunodeficiency virus (HIV), one of them 30 years ago, but never developed AIDS symptoms. The AIDS-causing virus remained in their immune cells but was inactivated because its genetic code had been altered, the scientists said. HIV replicates by invading human CD4 immune cells, which it reprogrammes to become virus factories.

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Singapore clamps down on shisha smoking

A customer smokes a shisha pipe at a cafe in Singapore, on November 4, 2014The Singapore government said Tuesday it would phase out public shisha smoking to protect young people who feel that smoking tobacco through water pipes is less harmful than cigarettes. Faishal Ibrahim, parliamentary secretary for the health ministry, told a legislative session that a ban on new licences for shisha imports and sales would come into force this month. "In view of the health risks associated with shisha smoking and to prevent the proliferation and entrenchment of shisha smoking in Singapore, my ministry intends to prohibit the import, distribution and sale of shisha," Faishal told lawmakers. The minimum age for smoking in Singapore, including at shisha bars and cafes, is 18.

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