"profound reason why" is grammatically correct and can be used in written English.
It is typically used to introduce a deep or underlying cause for something. For example: - The book delved into the profound reasons why humans are drawn to nature. - We must explore the profound reasons why inequality persists in society. - The speaker spoke about the profound reasons why love can conquer all.
There would have to be a deeper, more profound reason why gay men would want to take their shirts off and it had to do with illness.
But throughout my time with Professor Cadonati, it became evident that there was a much more profound reason why I was munching on Middle Eastern street-cart food and talking about tiny ripples in spacetime in Penn's blocky science building.
However, the Reviewer's question cannot find a simple answer because we do not understand the profound reason why the biosynthetic pathways of amino acids have to be in a relationship with the genetic code.
"They need to understand the profound reasons why you are doing something like this," he says.
There are profound social reasons why they occur.
"There are profound social reasons why people might look at Lowry again," says Wagner.
Here's one reason why: the most profound experience of power any of us have in our lives is the infinitely powerful mother of early childhood.
She needs to parade and dance down the street to feel good about her life and that's a profound reality of New Orleans and part of the reason why I love it so much.
But the biggest reason why women remain frustrated is more profound: many women are forced to choose between motherhood and careers.
At Deutsch, Donny Deutsch has certainly been a mentor and has had a profound impact on my development - he is the reason why I am in this job today.
This has much to do with the reason why Ken Saro-Wiwa chose to educate his children abroad: a profound lack of belief, on the part of Nigerian people, in their ability to determine their own destiny.
