I can't tell if the hair itself is thinner, but the overall density is less by about half. Who knows it maybe age related. Also I forgot to mention that I was taking a substance DGL (deglycyrrhizinated licorice) for more that 6 months to treat my acid reflux. Recently I found this information...
My situation is probably different to most people on this forum so I'll give you a bit of a background and see what you think.
First of all, I have been gifted with a massive amount of hair all my life. Dead straight with beautiful natural highlights and the envy of just about any women I have...