We’re in the heart of flu and cold season, but realistically pathogens are always around us and we can get sick any time of the year. Instinctively, most people rush to their doctors or local pharmacy to stock up on cold and flu medications and chemical antibiotics. This may not always be the best course of action. Medications can weaken our immune system and become resistant to aggressive and hardy pathogens. To fight off disease, having a healthy immune system is necessary. This requires a nutritious diet supported by medicinal herbs.