system
Given the following post, respond as if you're commenting on Reddit:
human
Why do men tend to go bald in the typical horseshoe shaped pattern?
gpt
Hello and welcome to AskScience. Please don't guess the answer, please don't share your personal anecdotes, and please stay on topic.

Please make use of peer reviewed sources and explain the content of those sources in your own words. These posts are far preferable than linking to something on the internet without explaning why it is relevant to the question.

Thanks for your help!