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What if I crossed my eyes for 10 minutes?

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What if I crossed my eyes for 10 minutes? Would they stick that way forever?

What if people had gills?

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If people had gills, they would need hundreds more than an average fish needs. Find out what would happen if people had gills at HowStuffWorks.

Surrogacy Overview

health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fertility/surrogacy.htm

Surrogacy involves a woman carrying a child for others who cannot conceive. Learn about the types of surrogacy in this article.

What Happens if You Eat a Silica Get Packet?

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Silica packets are full of silica gel. Learn what would happen if you put that gel in your mouth.

Paroxysmal Nocturnal Dyspnea

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Paroxysmal nocturnal dyspnea is a sign of heart failure that makes people have trouble breathing while lying down. Learn about paroxysmal nocturnal dyspnea.

Inotropic Drugs: What You Need to Know

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Inotropic drugs change the force of your heartbeat. Learn more about inotropic drugs.

Why do loud noises cause your ears to ring?

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Ringing in ears occurs when noises louder than shouting damage parts of our inner ears. Find out more about why your ears ring at HowStuffWorks.

Vasodilator Drugs

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Vasodilator drugs lower blood pressure by widening blood vessels. Learn more about visodilator drugs and how they work.

Jugular Venous Distension

health.howstuffworks.com/diseases-conditions/cardiovascular/heart/jugular-venous-distension.htm

Jugular venous distension can be a sign of heart disease. Learn about the diagnosis and treatment of jugular venous distension.

How the Digestive System Works

health.howstuffworks.com/human-body/systems/digestive/digestive-system.htm

The digestive system absorbs and transports all the nutrients your body needs. Learn more about the digestive system.

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