Words are appearing on top of each other, running into one another on my Mac. Fix?
If you have increased the minimum font size then try the default setting "none" in case the current setting is causing problems.
Make sure that you allow websites to choose their fonts.
It is better not to increase the minimum font size, but use an extension to set the default page zoom to prevent issues with overlapping text.
You can also do a check for corrupted and duplicate fonts and other font issues: