Health Viewpoints

3 Winter Super Foods to Boost Immune Function

Sweet potatoes, spinach, and garlic are some of nature’s immune boosting superstars.
3 Winter Super Foods to Boost Immune Function
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Jingduan Yang
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With winter on its way, it’s time to bolster our health for flu season. Three superfoods—sweet potatoes, spinach, and garlic—can improve immune function and support our fight against various diseases.

If you’re prone to colds, fatigue, or seasonal allergies, your symptoms might reflect a weakened immune system.

Jingduan Yang
Jingduan Yang
M.D.
Dr. Jingduan Yang is a board-certified psychiatrist and fifth-generation classical Chinese medicine physician whose work bridges Western psychiatry, functional medicine, and ancient healing traditions. He is the creator of the ACES Model of Health and Medicine—a four-dimensional framework spanning anatomy, chemistry, energy, and spirit—and the author of “Facing East” and “Clinical Acupuncture and Ancient Chinese Medicine.” As a principal founder of the Northern School of Medicine and Health Sciences, he advances whole-person care grounded in science, ethics, and humanity.