The sexualization of girls has captured the attention of the media, advocacy groups and politicians in recent years. This prolific discourse sets alarm bells ringing: sexualization is said to lead to depression, promiscuity and compassion deficit disorder, and rob young girls of their childhood. However, measuring such claims against a wide range of data sources reveals a far more complicated picture.

Becoming Sexual begins with a simple question: why does this discourse feel so natural? Analyzing potent cultural and historical assumptions, and subjecting them to measured...