What can cause numness in the feet?

Numbness in the feet can be caused by various factors, including nerve compression or damage, such as from Diabetes (diabetic neuropathy), herniated discs, or sciatica. Poor circulation due to conditions like peripheral artery disease can also lead to numbness. Other potential causes include vitamin deficiencies (especially B12), alcohol abuse, and certain medications. In some cases, underlying medical conditions like multiple sclerosis or stroke may be responsible.