Physically it could potentially cause a headache or eye strain. On a different note, there are some that believe that reading too much will cause people to quit thinking for themselves and begin to depend on only what they get from a book. Einstein was from this school of thought. He believed that even though you should be literate and educate yourself, you should still take time to experiment and have independent thought. He felt that only learning by what was in a book would lead to not having any new thoughts or ideas.
"Knowledge is important. But too much of it is dangerous." "Reading books give you knowledge."
Please clarify your question to get an answer. Reading too much into what?
People with a hawk eye are usually described as reading into things too much.
Yes. By definition, too much is too much. You will suffer that by which it is in fact too much
Yes, too much of anything can be dangerous for you/your health.
Because Car too much, cost too much electric
Perhaps the person is reading too much into it.
Increases blood pressure...
a man who thinks too much
He thinks too much: such men are dangerous.
a man who thinks too much
Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking. Albert Einstein