Is there a way to check if I have hair loss when I am not sure?

I was worried for a while because it seemed like more hair was falling out when I washed my hair.

However, the amount of hair falling out every day isn't consistent, and it's difficult to immediately assume it's hair loss just because there are days when a lot of hair falls out.

I don't want to miss the timing by worrying for no reason, but on the other hand, I don't want to be more anxious than necessary.

I would like to know what early signs are worth looking for, such as changes in hair thinning or a decrease in density in specific areas.

14. Die