Winter is all about cozy evenings, warm beverages, and festive gatherings, isn't it? But among all these, thanks to shorter days and limited sunlight, a hidden challenge emerges—Vitamin D deficiency.
In his practice, Dr. Guo is asked daily about collagen loss in one way or another. It’s not unusual for a patient to come to the clinic and point to the fine lines on their face, rings on their neck, ...