Human: Is it possible for someone with alopecia areata to grow their hair back? Assistant: 
Yes, it is possible for someone with alopecia areata to grow their hair back. Hair loss can be caused by a variety of factors including stress, genetics, and autoimmune conditions such as alopecia areata. Treatment options for alopecia areata include topical steroids, oral steroids, immunotherapy, or minoxidil. All of these treatments have been shown to help some people regrow hair.