The article discusses the trend of selling body parts in the US, particularly hair, eggs, and kidneys. It highlights that nearly 13,000 women are expected to be egg donors this year, with 65% motivated by financial factors. The article also mentions that while selling kidneys is illegal, it still occurs through websites like buyandsellhair.com and onlythebreast.com. The trend suggests that people believe it doesn't cost much to grow their hair or produce breast milk, making it a lucrative option for those in need of cash.