Medical research

Research reverses the reproductive clock in mice

Researchers have lifted fertility rates in older female mice with small doses of a metabolic compound that reverses the aging process in eggs, offering hope for some women struggling to conceive.

Health

China birth rate hits lowest level since 1949

China's birth rate dropped last year to its lowest level since the Communist country was founded in 1949, adding to concerns that an ageing society and shrinking workforce will pile pressure on a slowing economy.

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