According to a major new national study, Canadian girls are experiencing substantially higher levels of emotional problems and less emotional well-being than boys.
….. Boys externalize their discontent, girls internalize it, said Juniper Glass, director of development at Girls Action Foundation, a national organization that helps develop community initiatives and programs for girls.
“Boys behave ‘badly’ whereas girls tend to hold it inside and direct the negativity towards themselves,” Glass said. “They have low self-esteem, they self-harm, they put themselves in risky situations or they put up with not healthy relationships with their boyfriends.”
Glass said girls are socialized to please others, “to be successful ”” in everything ”” to be pretty, to look like magazine images.”
More programs for girls, whether they focus on sports, science or mentoring, are needed, she said ”” “anything that helps girls to feel like it’s safe to be themselves.” More at the link
I doubt it’s any different in the US