Prevent any colds and boost your immune system with these five age-old natural cures. Have you been suffering from a 夏風邪 (natsukaze; “summer cold”)? While drugstores offer a variety of products that help prevent colds, some traditional Japanese remedies are said to do the same. Here are five Japanese remedies for fighting and preventing colds that have been used throughout Japan’s history. 1. Umeboshi (Pickled Plum)2. Hachimitsu-Daikon (Honey with Daikon)3. Shoga-Yu (Hot Ginger Tea)4. Okayu (Boiled Rice Porridge)5. Tamago-zake (Hot Sake & Egg) 1.Umeboshi (Pickled Plum)Known for their distincti…