“I noticed my hair is beginning to thin. Is this a sign that something else is off with my health?” asks Shea from Faceboook. Here to answer is Dr. Bill Cole, founder of Key Cellular Nutrition and expert in the field of functional medicine and cellular healing.

Hair loss can be a difficult condition to pin down. In his answer, Dr. Cole provides us some potential health issues that could potentially cause hair loss.

For more from Dr. Cole, check out his FREE 42 Day Cellular Cleanse.