What is alopecia areata, the medical condition behind Jada Pinkett Smith's hair loss? - Channel NewsAsia

Here's a look at an autoimmune disease that has caused the actress-host to develop patches of baldness. Who's prone to it? What are the treatments?

There are a few main types of alopecia areata such as alopecia totalis (all hair on the scalp is shed) and alopecia universalis (a rare condition where only body hair is completely lost), according t… [+851 chars]

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