Hypertension: The silent killer, by Falmata Maaji Muhammad Story by Falmata Maaji Muhammad (Student at Helwan University, Cairo, Egypt) High blood pressure (hypertension) is something we hear about often. But why is it called the silent killer? According to the World Health Organisation (WHO), about 1.4 billion people worldwide live with hypertension, that’s 1 in 3 adults. Sadly, only 1 in 4 manage to keep it under control. What is Hypertension? Hypertension means the force of blood against your artery walls is too high. • Normal: below 130/80 mmHg • High: 130–140 mmHg or more (systolic/...