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Why Are So Many People Allergic To Food?

More people have food allergies than ever before. Peanuts, tree nuts, shellfish, eggs, and even milk… the list of possibly dangerous foods seems to get longer every day. But why do some people’s bodies have deadly reactions food? And why are food allergies on the rise? In this video we explain what food allergies really are, and what the difference is between food allergy and food intolerance.
Season 7 Episode 5 Length 10:47 Premiere: 03/20/19

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Specials

Season 7 Episodes

Could You Be a Chimera? (ASL)
S7 E31 Length 09:43 Premiere Date 06/21/19

This Could Change the Future of Space Travel
S7 E30 Length 11:30 Premiere Date 12/30/19

The Strange (Unexpected) Reason Ice is Slippery
S7 E29 Length 07:20 Premiere Date 12/17/19

Recycling Is Broken. Here’s How We Can Fix It.
S7 E28 Length 11:11 Premiere Date 12/10/19

I Tried Eating Bugs… Here's What I Learned
S7 E27 Length 14:55 Premiere Date 11/23/19

Evolution Fails in the Human Body
S7 E26 Length 11:53 Premiere Date 11/19/19

This Face Changes the Human Story
S7 E25 Length 13:11 Premiere Date 10/21/19

What If We Could See Nature In Infrared?
S7 E24 Length 08:51 Premiere Date 10/25/19

What Color Is A Banana?
S7 E23 Length 08:46 Premiere Date 11/09/19

What’s In a 20,000 Year-Old Cube of Ice?
S7 E22 Length 11:20 Premiere Date 10/07/19

The History of Money (From Barter To Bitcoin)
S7 E21 Length 09:36 Premiere Date 09/29/19

7 Scientific Urban Legends Debunked!
S7 E20 Length 11:24 Premiere Date 09/06/19

Why Don't Birds Lay Square Eggs?
S7 E19 Length 07:21 Premiere Date 08/19/19

How Blind People See With Sound
S7 E18 Length 16:07 Premiere Date 08/11/19

Why do Trees Talk to Each Other?
S7 E17 Length 05:27 Premiere Date 07/27/19

Why We Are Losing the Night Sky
S7 E16 Length 10:26 Premiere Date 07/14/19

Apollo’s Most Important Discovery: NASA’s Moon Rock Vault
S7 E15 Length 10:25 Premiere Date 07/09/19

Could You Be a Chimera?
S7 E14 Length 09:43 Premiere Date 06/21/19

Using Gene Editing To Repaint Butterfly Wings
S7 E13 Length 11:12 Premiere Date 06/18/19

1 MILLION Species Could Go Extinct… Here’s Why.
S7 E11 Length 05:55 Premiere Date 05/24/19

Is Your Eye Color Real?
S7 E10 Length 05:37 Premiere Date 05/18/19

How to Drink Coffee In Space
S7 E9 Length 10:30 Premiere Date 05/03/19

Why Getting Dizzy is Kinda Like Temporary Brain Damage
S7 E8 Length 08:35 Premiere Date 04/26/19

Unraveling the Great Butterfly Migration Mystery
S7 E7 Length 09:12 Premiere Date 04/09/19

How to be Crushed by the Atmosphere!
S7 E6 Length 06:56 Premiere Date 04/02/19

Why Are So Many People Allergic To Food?
S7 E5 Length 10:47 Premiere Date 03/20/19

Where On Earth Do You Weigh The Least?
S7 E4 Length 07:13 Premiere Date 03/05/19

Are You Afraid of Holes?
S7 E3 Length 05:51 Premiere Date 02/27/19

The Impossible Hugeness of Deep Time
S7 E2 Length 09:05 Premiere Date 02/12/19

Is There Life on Earth?
S7 E1 Length 09:44 Premiere Date 02/07/19

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