Do you have blonde hair? Natural blondes shed a lot more hair than other colors. I am a shedding machine. I also think thyroid conditions have hair loss, but you would have other symptoms that would tell you there's something going on. If it's just shedding, you may have just noticed it more, or could be more stressed, causing the extra hairs to fall out. I don't know how I'm not bald with the amount of hair I shed.