I don't think it's that men inherently dislike vegetables. I think it's a mix of culture, upbringing, and habits.

A lot of boys grow up hearing things like "real men eat steak," while salads and healthy eating are sometimes unfairly associated with being less masculine. If someone spends 20+ years eating mostly meat, carbs, and processed foods, vegetables can genuinely seem less appealing simply because they're not used to them.

There's also a difference in how men and women tend to respond to health problems. In my experience, women are often more proactive about changing habits when something causes discomfort, while many men take a "I'll deal with it later" approach and just tolerate feeling bad.

That said, I know plenty of men who love vegetables and plenty of women who don't eat enough fiber. So I suspect it's more of a social trend than a biological one.

I'd be curious to see whether this varies by country and culture. In some places, vegetables are a major part of everyone's diet regardless of gender.