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Scientists say they believe they are [close / closeness] to finding a cure for baldness. This is [greetings / welcome] news for millions of people [global / worldwide] who are losing their hair or who are bald. Researchers from a medical institute in California have been working [on / in] developing stem cells that can regenerate hair [growth / grown] . The scientists say their technique has been successful [on / in] implanting and developing fresh growth in a way that replicates natural hair [reproduces / reproduction] . Researcher Alexey Terskikh said: "Our new protocol overcomes [key / chain] technological challenges....Now we have a [robot / robust] , highly controlled method for generating natural-looking hair that grows through the skin using an unlimited [source / sauce] of human stem cells."

Baldness [affects / effects] approximately half of men worldwide by the [aged / age] of 50. Products for hair replacement and hair transplants have [development / developed] into a multi-billion-dollar global industry. Hair transplant [surgery / sugary] can cost up to $50,000. Scientists have been working on finding a [care / cure] for decades. The process of hair loss usually [beginnings / begins] in men when they are in their early twenties or thirties. This can lead to [anxiety / anxious] and a loss of self-confidence. Many men worry about [receding / ceding] hairlines, bald spots and baldness. Baldness is also a problem for women. Many women suffer from [thins / thinning] hair later in life. A doctor said: "Hair loss [profoundly / profundity] affects many people's lives."

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