A Chinese woman who suffered a heart attack almost missed out on life-saving treatment because of her gel nails. The case has shocked mainland social media and become a wake-up call about the risk of manicures. The 28-year-old woman in central China’s Hunan province, who uses the pseudonym Lili, had a sudden heart attack on February 5. Emergency medical staff at the People’s Hospital of Hunan Province immediately came to her rescue. However, when they tried to fit a fingertip pulse oximeter, a...