• Britain voted on Tuesday to become the first country to allow a “three-parent” IVF technique which doctors say will prevent some inherited incurable diseases but which critics see as a step towards creating designer babies.
  • It is designed to help families with mitochondrial diseases, incurable conditions passed down the maternal line that affect around one in 6,500 children worldwide.
  • The process involves intervening in the fertilisation process to remove mitochondria, which act as tiny energy-generating batteries inside cells, and which, if faulty, can cause inherited conditions such as fatal heart problems, liver failure, brain disorders, blindness and muscular dystrophy.

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