How can these gendered roles be neutralized? How are these roles affected by the economic and how do they affect in turn?

The answer is b. increased blood flow reduces nerve sensitivity

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. 

There is tumerous cancer, kawaski disease and more.