That statemet is False
The reason why people use folic acid supplement is to prevent Anemia, stroke, and heart disease . Consuming the supplement before the child is born could also enhance the development of brain and spinal cord of the infants. The supplement cannot prevent blindness.
Target heart rate is defined as the minimum number of heartbeats in a given amount of time in order to reach the level of exertion necessary for cardiovascular fitness, specific to a person's age, gender, or physical fitness.
Once you get chickenpox, then only after a long period you will get it again. this is because your immune system knows how to respond to the pathogen the second time. so even though you get it, it won't as severe as the first time.
