Explaining odd physical reactions

Our body sometimes manifests strange physical reactions that leave us wondering. We cry when we cut onions (there is a solution to this!). We shiver with goosebumps. We laugh when we're sad or cry when we're upset. It can be a mystery, or not... Prevention magazine's editor explains why our bodies sometimes do what they do:



Iron regulates body temperature, but metabolism also does. There are healthier ways to rev up your metabolism than eating red meat (which is linked to heart disease and high cholesterol). Give your metabolism a boost anytime with a burst of exercise! If you're at work, or have limited space to move around, then here are some "small solutions" to creating big heat:
Do jumping jacks
Jog in place
Stretch your whole body
Lift weights!
Do calisthenics