Cold feet are usually a temporary problem and nothing to worry about. However, persistently cold feet could be caused by a medical condition.
IJERPH, Free Full-Text
Are Your Cold Feet Trying to Warn You?
What are the possible causes of consistently cold feet? - Quora
What your feet say about your health - Times of India
Foot Pain: Causes, Treatment, and Prevention
Why Are My Feet Always Cold? – Cold Feet Causes and Treatment
Foot Burning At Night? Causes And How To Easily Stop It
Why Do My Feet Get Hot at Night?
Why Are My Feet Always Cold? 9 Causes and Treatments