ممرض يعلّم مجموعة عن الوقاية من أمراض القلب. أي عبارة تدل على فهم صحيح؟

A nurse teaches a group about heart disease prevention. Which statement shows correct understanding?

1. Shisha smoking is less harmful to the heart than cigarettes
2. About 150 minutes of moderate exercise a week lowers heart disease risk
3. Triglycerides have nothing to do with heart disease
4. High blood pressure without symptoms needs no treatment

Answer: B) About 150 minutes of moderate exercise a week lowers heart disease risk. General guidance is about 150 minutes of moderate activity weekly. Shisha harms the heart as much as cigarettes or more, and hypertension is often silent but needs treatment to prevent complications.