Guidelines on eligibility to give blood change from time to time. The most up-to-date eligibility information can be obtained by contacting the American Red Cross blood center nearest you.
- Q What does it mean if my blood pressure reading is high?
- Q How many people with high blood pressure are salt sensitive?
- Q Does white-coat hypertension need to be treated?
- Q How common is secondary high blood pressure?
- Q What are the types of chronic hypertension?
- Q What is stage 2 hypertension?