Within your body are numerous hormones. Each of those hormones has a very specific job to do. Many of them work to control the function of your organs, such as telling your heart to beat (and at what pace) and telling your digestive system to work. Hormone regulation is governed by your thyroid. This small organ located just above the collarbone at the base of your neck is quite powerful. In fact, when there's a problem with it, you can assume you'll feel and see it. So, how does this organ become impacted when you use cannabis? In short, it can work to trigger hair loss in some people. Let's explain how this happens and why.