What is the issue with males and PUFA (Polyunsaturated Fat I'm assuming)? I recently bought some organic walnuts assuming that they would be beneficial for my h

What is the issue with males and PUFA (Polyunsaturated Fat I'm assuming)? I recently bought some organic walnuts assuming that they would be beneficial for my health (Omega-3s, mediterranean diet's love for nuts, etc.), and now I'm questioning my decision.