From Wikipedia, the free encyclopedia. Shridhar Chillal (born 1938) holds the world record for the longest fingernails ever reached on a single hand, with a combined length of 909.6 centimeters (358.1 inches). Chillal's longest single nail is his thumbnail, measuring 197.8 centimeters (77.87 inches). He stopped cutting his nails in 1952.
You can also try to slow your heart rate via breathing and relaxation techniques, by practicing other mind/body therapies such as biofeedback, or by taking supplemental calcium and magnesium. For women, start with 100 mg of magnesium (citrate, glycinate, or chelate) and increase the dose up to 350 mg daily.
A pulse rate that is too low can be dangerous. Photo Credit Jupiterimages/Photos.com/Getty Images. Keeping track of your blood pressure and pulse lets you know how hard your heart is working and what your risk for heart disease is. A normal pulse rate at rest is between 60 and 100 beats per minute. Generally, a lower pulse rate means that your heart muscle is not having to beat too hard to do its job.