These days, we are faced with many public health challenges regarding poor health conditions, including cancer and heart disease, caused by excessive consumption of meat on a regular and long-term basis. (1) Experts are calling for a change in human diets so that people can enjoy better health. Fortunately, many alternative meat products are available on the market. In fact, vegetarian diets are being favored by a growing number of people and can provide the same amount of nutrients for consumers. In particular, mushrooms and tofu contain high levels of protein, a kind of nutrient presumably only found in meat, and can therefore be used as a substitute. (2) Furthermore, medical experiments on animals and medicines manufactured from animals’ body parts received little endorsement in the past. Nowadays, herbs and many other types of plant-based medicines, such as ginseng, can cure many diseases, prolong human life expectancy, and aid medical practitioners in the treatment...