The most common and the most delicious substance are chocolates. Chocolates have plenty of chemical substance that could calm your brain and affects your body. It has Phenylethylamine substance that is actually produced by our brain when we are interested in something or when we are in love with someone. Chocolates are healthy.
Resting heart rate is the number of times your heart beats per minute while at complete rest. The best time to take it would be in the morning after a good night sleep before you get out of bed.