Dr van der Horst said further research is needed to find out why women's breasts were staying younger for longer.
The ground-breaking health campaign is the first in the UK to show real pictures of women's breasts that have been affected by cancer.
The aim of the trial was to see if it made the women's breasts easier to examine in mammograms because young women's breast tissue is dense, making it hard for X-rays to pick up tumours.
He paints a novel picture of a British prime minister, William Gladstone, acting like a New-Age healer and helping to relieve his wife's aching breasts, strained after years of child rearing, by gently stroking them.
"It's better than film in really one particular area, and that's the woman with dense breasts, " he said.
The programme also shows the early effects of pregnancy on the mother's body: painful, swollen breasts and nausea.
For women with dense breasts, it's best to get a digital scan, which is more accurate, says Karla Kerlikowske, a professor of medicine at the University of California in San Francisco.
WSJ: Dense Breasts Pose a Dilemma in the Search for Breast Cancer
Breasts reconstructed with the patient's tissue are softer and will age like a normal breast.
Ways to get it in your kid's diet: Make pesto and spoon over chicken breasts or stir into cooked pasta.
Cordsen, however, thinks it's "crazy" to tell women not to examine their breasts.
Ms. Jolie's disclosure comes as growing numbers of women are electing to have healthy breasts removed protectively.
Dr Lesley Walker, Cancer Research UK's director of information, said women of all backgrounds should take up invitations to have their breasts screened for abnormalities.
"It's possible he acted in a frenzy but the pattern of the injuries, especially to the breasts, suggested that it took a certain mindset, " Mr Harrington added.
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