陈延

Chen Yan is an author whose works focus on medicine and health. Publicly available information about his nationality, dates of birth and death, education, and professional career is limited, so these details remain unclear; nevertheless, his signed works clearly show where his interests lie. Three of his books are held in the collection: Crohn's Disease, Crohn's Disease: Traditional Chinese Medicine Advice on Treatment and Recuperation, and Using Ingredients Wisely to Nourish the Spleen and Stomach. Judging from the titles and categories, he introduces the specific condition of Crohn's disease, discusses treatment and daily recuperation from a traditional Chinese medicine perspective, and extends the discussion to everyday practices for nourishing the spleen and stomach with common ingredients, reflecting an approach that combines understanding of illness with lifestyle regulation. Written for general readers, his work emphasizes practicality and readability and may serve those concerned with digestive health and traditional Chinese medicine wellness.