Black Friday is one of the hottest shopping seasons of the year, and many people can't wait for the day to arrive. Whether you're looking to improve your home, improve your quality of life or look for opportunities to save money, here are some of the best home products to buy.

Lung cancer, as a common malignant tumor, poses a serious threat to people's health. However, the good news is that lung cancer has a relatively good prognosis if it is detected and treated early. So, what are the early symptoms of lung cancer? Here is a detailed introduction for you.