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How Smell Works

health.howstuffworks.com/mental-health/human-nature/perception/smell.htm

Smell is often our first response to dangers, such as fire and gas leaks. Learn more about the sense of smell and find out how the sense of smell works.

How Vaccines Work

health.howstuffworks.com/wellness/preventive-care/vaccine.htm

A vaccine is, essentially, a cure for an illness or disease. Who came up with the idea for vaccines and do we give too many shots now?

How to Choose a Health Insurance Plan

health.howstuffworks.com/health-insurance/choose-insurance-plan.htm

A health insurance plan that fits your particular needs is not always easy to find. Find out how to choose a health insurance plan that is right for you.

How Taste Works

health.howstuffworks.com/mental-health/human-nature/perception/taste.htm

Taste may actually be the most complicated sense as scientists know less about it than sight and hearing. Learn about taste and how taste works.

Is There a Worst Way to Die?

health.howstuffworks.com/diseases-conditions/death-dying/worst-way-to-die.htm

The worst way to die is a topic that has been debated by people like physicians. Learn about some of the possible worst ways to die.

How Nerves Work

health.howstuffworks.com/human-body/systems/nervous-system/nerve.htm

Nerves are what sense the world around you and pass that information along to your brain. Learn about nerves and see how the nervous system works.

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