Life What causes alopecia? Here’s what you need to know about its causes, symptoms and treatment March 28, 2022December 7, 2022Marina Pitofsky, USA TODAYComments Off on What causes alopecia? Here’s what you need to know about its causes, symptoms and treatment Jada Pinkett Smith confirmed in 2018 that she was diagnosed with alopecia. Here's what you need to know about the condition that causes hair loss.