Dietary science is complicated-- one day something is good for you and the next it's not. Learn what we DO know about fat chemistry in this episode of SciShow.

In this video Paul Andersen describes the lipids (of the fats). He explains how they are an important source of energy but are also required to cell membranes. He explains how the hydrocarbon tails in triglycerides contain energy...

Today Hank talks about the deliciousness of alkenes & alkynes, their structures, and how to remember which is which by simply knowing the alphabet. Also, he breaks down hydrogenation, halogenation, polymerization, and...

Paul Andersen describes the four major biological molecules found in living things. He begins with a brief discussion of polymerization. Dehydration synthesis is used to connect monomers into polymers and hydrolysis breaks them down...

A Tasty Path to Lower Cholesterol

Modify your lifestyle to lower your cholesterol.

This video is answering the question of is fat important to our diet.

This video is answering the question of are there different types of fat.

What's butter made of? What about olive oil? Well they're lipids, which are largely nonpolar substances. Why is one solid at room temperature and the other is liquid? What are trans fats and why are they bad for you? Let's find out all...

We are seeing a lot of changes recently as to what we are "allowed" to eat. When the FDA decided to get rid of trans fats, I applauded. When New York City tried to ban sodas bigger than 16 ounces, though, I booed. Why is this not...

When Canada banned artificial trans fats last year, the hope was that it would reduce heart disease. Some researchers hoped the move could prevent up to 12,000 heart attacks over 20 year. The problem is what's replacing them may not be...

February is heart month. A Canadian dies every seven minutes from heart disease or stroke. The National Checkup panel is here to prescribe some answers.

"Heart disease is often perceived as a predominantly male issue, but it remains a leading cause of death among women as well. Unfortunately, heart disease in women often goes undiagnosed or misdiagnosed due to differences in symptoms and...

IT'S A DECISION THAT COULD HAVE A WIDE-SPREAD IMPACT ON HEART DISEASE IN THE U-S --THE OBAMA ADMINISTRATION ANNOUNCING TUESDAY IT WILL ORDER FOOD COMPANIES TO PHASE OUT THE USE OF ARTERY-CLOGGING TRANS FATS.SOUNDBITE (English) Susan...

HEADLINE: NYC Weighs Trans Fat Ban Amid KFC's Move

CAPTION: KFC's decision to stop frying chicken in artery-clogging trans fats came shortly before a public hearing in New York on a proposal that would make it the first...

(SUPER = Dr. Allen Taylor, Chief of Cardiology, MedStar Heart Institute)

"They change your cholesterol levels, and they promote inflammation in the body, and those two changes appear to add up to a...

1. Wide of news conference

2. Mid of cameras and repo
rters
3. SOUNDBITE: (English) Gregg Dedrick, President of KFC (Kentucky Fried Chicken) Co
rporation:
"We're extremely pleased to...

Heart-clogging trans fats were once a staple of the American diet, plentiful in baked goods, microwave popcorn and fried foods.

Now, mindful of the health risks, the Food and Drug...

Heart-clogging trans fats were once a staple of the American diet, plentiful in baked goods, microwave popcorn and fried foods.

Now, mindful of the health risks, the Food and Drug...

HEADLINE: NYC Health Board Votes to Ban Trans Fats

CAPTION: The Board of Health voted to make New York the nation's first city to ban artery-clogging artificial trans fats at restaurants: from the corner pizzeria to...

1. Wide of news conference

2. Mid of cameras and repo
rters
3. SOUNDBITE: (English) Gregg Dedrick, President of KFC Co
rporation:
"We're extremely pleased to announce that today, KFC is...

1. Wide of Board of Health members in meeting room

2. SOUNDBITE (English) Thomas Frieden, New York City Commissioner of He
alth:
"Do I hear a motion to adopt?... Second? Seconds... All in...

HEADLINE: Bakers struggle as NYC bans trans fat

CAPTION: Bakers say a trans fat ban that goes into effect in New York City on Tuesday will change some of the classic treats that customers crave. (Jun
e...