Lidong came on November 8 this year. It is the Chinese word for one of the 24 solar terms  . It means the beginning of winter. As the weather gets colder and there is less sunlight, people are more likely to get sick. Adults in the US usually have two to four colds each year. Young children suffer from six to eight colds per year, especially in winter months, according to the American Lung Association. One of the best ways to keep healthy during winter is to stay warm. There are many ways to stay warm. A living room should be around 18-21 C, and you can also use a hot water bottle or at least 16 C. blanket to keep warm while in bed. Getting plenty of exercise is always a good idea. Take a walk on a sunny afternoon, do a long distance run or skip rope. These things keep your blood moving and your metabolism   fired up. Food gives us energy and helps to warm us from the inside. High-protein   foods, like fish and meat, provide a lot of energy. Add some things to your winter dishes, such as ginger, pepper and garlic. These things can make you warm. A winter coat warms you up from the outside. Add several layers of thin clothing, for example, a shirt and a thin sweater, to stay even warmer. Clothes made from wool are usually very warm. How to make winter days colorful? Is it too cold to play outside? Don't worry. Here are some tips for having fun at home. Give it a try! # Enjoy a movie with your parents. There are a lot of choices, such as Spy Kids. You can also talk about the movie with your parents after it's over. # Cook a meal with your parents. You can cook some simple dishes, such as scrambled eggs with tomato. You may need your mother's help for the first time. # Clean your bedroom. You need to sweep the floor, tidy your desk and make your bed. By doing this, you really help your mother a lot. # Read your favorite book. Reading is not only helpful for your writing ability, but can also help to build your character. The purpose of this writing is mainly to tell us   _  .
some of the 24 solar terms in a year. the changes of the weather in winter days. some ways to stay warm and have fun in winter days the reasons why people in the US easily get sick in winter