Despite widespread awareness of the severe health risks, over 3,200 kids under the age of 18 start smoking daily. Understand the addictive nature of nicotine found in cigarettes and other tobacco products, making it extremely...

A physical or psychological dependence, leading to symptoms of withdrawal when the substance is removed.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...

We test the effects of smoking by drawing first air and then cigarette smoke through apparatus that contains mineral wool and universal indicator. The air has no effect, but the smoke discolours the wool and changes the colour of the...

Discover the scale and effects of the chemical ingredients in cigarettes. What are smokers breathing in to their lungs, and what effects are these chemicals having on them? Biology - Healthy Living - When a cigarette is burned it...

Warning: Contains footage of smoking.
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Why do so many people smoke when the risk to their heal
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Life processes - Humans and o
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her animals - Dru
g awareness
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Varenicline is a promising new drug that mimics the effects of nicotine on the brain to help individuals overcome nicotine addiction. By targeting the same brain pathways as nicotine, it helps alleviate withdrawal symptoms by stimulating...

Nicotine

E-Cigarettes are everywhere. Vaping has become so ubiquitous that "vape" was Oxford Dictionaries word of the year in 2014. Today, Danielle looks at how and why vaping took off. She examines the early 20th century prototypes for electric...

Researchers at Johns Hopkins published a study in December 2019 showing a link between e-cigarettes and depression. This isn’t the first study of it’s kind. There have been others. Depression and vaping are seen as having...

Tobacco and the Human Body, a 1954 production of Encyclopaedia Britannica Films.

Tobacco and the Human Body, a 1954 production of Encyclopaedia Britannica Films.

What if you could unlock your brain’s potential with just a pill? It sounds like something out of Limitless, but there’s a whole culture around nootropics, or “smart drugs”. But do any of them work? Are any nootropics supported by...

This video tutorial discusses the Acetylcholine also known as ACh. 0:00. Intro to ACh 0:21. What is ACh? 0:41. What neurons release ACh? 1:47. Synthesis of ACh - 3:05. Hemicholinium 3:31. Storage of ACh - 5:07. Vesamicol 5:35. Release of...

We don’t yet know the long-term health consequences of e-cigarettes, and gaining that knowledge could take decades. However, a recently published study in mice offers new data for consideration.

Though likely to face many legal challenges, the FDA recently issued a ban on menthol flavoring in traditional cigarettes and cigars. So why the specific ban on menthol? There are lots of reasons ranging from how it may alter the smoking...

New research has found that vaping temporarily is enough to impact the body’s blood vessels.

This video provides a comprehensive overview of the historical, societal, and health implications of smoking cigarettes. It outlines the evolution of attitudes towards smoking, the addictive nature of nicotine, the harmful chemicals in...

We've covered e-cigarettes before, but there's new evidence, and new policies. You deserve an update. That's the topic of this week's Healthcare Triage.

A new rule by the FDA bans sale of e-cigarettes to anyone under the age of 18.

Electronic cigarettes, like Juul, have been in use in the United States for over a decade now, so what’s up with the sudden spike in e-cigarette related illnesses? SPOILER: We wish we knew more.

How do we know how many atoms of each element are in a particular compound? Through clever experiments! Here let's practice using percent mass information to get the empirical and molecular formulas of a particular compound.

In this live-action program viewers will learn that smoking is one of the leading causes of preventable death. Students will come to understand that when a person smokes, hundreds of toxic chemicals are inhaled with every puff and many...

The video program is designed to present the serious, harmful effects of smoking and nicotine to elementary-aged children. The program provides students with a realistic picture of how cigarettes and the harmful substances found in...

Drugs of all varieties are very interesting from a biochemical standpoint, as they produce an incredible array of physiological effects. These effects are due to the shape of each molecule, which determines the cellular components they...