Who would be most likely to be at risk for multiple sclerosis? O an eighty-year-old man
O a thirteen-year-old girl
a five-year-old boy
O a forty-year-old woman

A old person about 38-42 year old humen.

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other.