Oncology & Cancer

Making sense of mammography guidelines

Experts agree that detecting breast cancer early offers a better outlook, but when to start screenings and how often to have them has changed repeatedly.

Obstetrics & gynaecology

Earth's population could shrink in a few decades

"As women become better educated and gain access to birth control, they don't want to have as many children," says Professor Chris Murray, head of the Institute for Health Metrics and Evaluation (IMHE) in the United States.

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