Many people around me are suffered from cold in this season. As many people know well, cold is caused by being infected by viruses. In the crowded area like Tokyo, you can easily catch viruses on the crowded commuter trains. It is inevitable to take virus if you go out on a normal basis. For this, to avoid catching cold you must be immune to viruses, because (unlike germs that can be killed by antibiotics) no medicine but your white blood cells can kill viruses. There are several options to keep your body’s immunity. Taking nutritious foods will help to keep you immune. Sleeping well will also be nice. Avoiding […]