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.
Italian researchers found that having a resting heart rate above 70 beats per minute (bpm) can increase your risk of dying of heart disease by at least 78 percent. Thankfully, there are some tweaks you can make to slow your thumper down. Follow these simple tips to help slow down your heart, and reduce your risk of a heart attack.