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Your search for "trigger" returned 1,439 results
How Smoke Detectors Work
home.howstuffworks.com/home-improvement/household-safety/smoke.htm
As the saying goes, "Where there's smoke, there's fire." Smoke detectors are amazing: They're pretty inexpensive, but they save thousands of lives each year. Learn all about nuclear and light-sensing smoke detectors.
The Amygdala: Gatekeeper of Human Fear
health.howstuffworks.com/human-body/systems/nervous-system/amygdala.htm
HowStuffWorks takes a look at the amygdala, how it works and whether people can live without one.
Allergy Basics
health.howstuffworks.com/diseases-conditions/allergies/allergy-basics/how-allergies-work.htm
Allergies are so commonplace that we often do not stop to think of how or why they occur. Learn more about how allergies work.
What Causes the Red Ring Around My Lips?
health.howstuffworks.com/skin-care/lip-care/health/red-ring-around-lips.htm
What causes the red ring around my lips? Visit HowStuffWorks to learn what causes the red ring around your lips.
What should I know about beta-blockers?
health.howstuffworks.com/diseases-conditions/headache/what-should-i-know-about-beta-blockers.htm
Learn about beta blockers from Discovery Health. Learn about facts, common causes, and treatment for headaches.
Why do we love cute things?
health.howstuffworks.com/mental-health/human-nature/behavior/why-do-we-love-cute-things.htm
Humans go crazy for cuteness, whether its babies, kittens or ... cars. Find out why humans go crazy for cute things at HowStuffWorks.
Yeast Overgrowth
health.howstuffworks.com/diseases-conditions/chronic-fatigue/yeast-overgrowth.htm
Yeast overgrowth may be a factor in several chronic conditions. Learn about the causes and treatment of yeast overgrowth.
How Doorbells Work
home.howstuffworks.com/home-improvement/repair/doorbell.htm
You probably don't spend too much time pondering the inner workings of a doorbell, but it's actually a pretty cool device once you get inside. Find out exactly what happens when someone rings your bell.
Alternative Medicines for Anxiety
health.howstuffworks.com/wellness/natural-medicine/alternative/alternative-medicines-for-anxiety.htm
Alternative medicines for anxiety include meditation, homeopathy, herbal medicine, and hypnotherapy. Learn to treat anxiety.
Has science explained life after death?
science.howstuffworks.com/science-vs-myth/afterlife/science-life-after-death.htm
Life after death is a concept that has left some researchers wondering what causes near-death experiences. Learn about life after death theories.