You must be at least 17 years old to donate to the general blood supply, or 16 years old with parental/guardian consent, if allowed by state law. Learn more about the reasons for a lower age limit.
Other Causes of Elevated Heart Rate. Elevated heart rate when sick is actually your heartâs aid in order to quell the sickness. However, there can be other causes for elevated heart rate as well. Electrical signals produced and sent to the heart tissues are responsible for controlling the heart rate.
Your Privacy Rights Canadian Customers. Italian researchers found that having a resting heart rate above 70 beats per minute (bpm) increases your risk of dying of heart disease by at least 78 percent. Follow the tips below to help drop your bpm and improve your odds. Attack Your Cardio. Run hard, don't just jog.