Why Are We Morbidly Curious?

Hey Vsauce. Michael here. In 1924psychologist Carney Landis drew lines on people’s facesand then photographed them in various scenariosto study facial expressions.But he didn’t use actorsand he didn’t tell the participants to pretend to feel emotions. Instead,he subjected them to actual trauma.He had them do things likesmell ammonia, look at pornographic images and even reach […]



Mechanism of Drug Addiction in the Brain, Animation.

Addiction is a neurological disorder that affects the reward system in the brain. Ina healthy person, the reward system reinforces important behaviors that are essential forsurvival such as eating, drinking, sex, and social interaction. For example, the rewardsystem ensures that you reach for food when you are hungry, because you know that aftereating you will […]

What If You Only Drank Energy Drinks?

Whether it’s to fuel your late night study session, or trying to stay alert on the jobenergy drinks are very popular with 76% of young adults consuming them, but what wouldhappen if you ONLY drank energy drinks?One sip and the feel-good effect is almost immediate.When the sugar molecules hit your taste buds, it triggers your […]

Tobacco Addiction: Nicotine and Other Factors, Animation

Of the many harmful chemicals found in tobacco products and cigarette smoke, nicotine isthe major substance responsible for tobacco addiction.Nicotine acts to increase the amount of a neurotransmitter called dopamine in the brainreward pathway, which is designed to “reward” the body with pleasurable feelings for importantbehaviors that are essential for survival, such as feeding when […]

How Does Adderallâ„¢ Work?

It can make you happy, suppress your appetite,reduce fatigue, increase your attention span, andit’s used to treat narcolepsy, depression and ADHD.What magical substance does all of this?Adderall.[Reactions intro]Over 25 million people worldwide use amphetamine,which is the active ingredient in Adderall.Amphetamine has actually been aroundsince the 1800s, and has a pretty neat history.First synthesized in 1887 […]

Your Brain On Coffee

With it’s stimulating effects, it’s easy to understand why coffee is the second mosttraded commodity on Earth after oil. For many, it keeps us awake and moving through our busydays. But how does it work? What exactly does coffee do to your brain?Whenever you’re awake, a chemical called adenosine slowly accumulates in your brain.And this […]

How To Stop Bad Habits | The Power of Habit by Charles Duhigg

So, whenever I am in class and someone’s smartphone vibrates with a new message, thatperson must take out his phone and view the message, and if he does not, that’s kindof the end of the world for him. And the reason is that, when the phone vibrates, the brainstarts anticipating the momentary distraction that opening […]

Your Brain on Drugs: Marijuana

For centuries, humans have been using substances to alter their state of mind.From caffeine, cigarettes and alcohol to more extreme drugs.But as the most commonly used illicit drug in North America,Where does marijuana fit inand how exactly does it affect your brain?First, we need to understand how the brain functions.Neurons are the cells that process […]

Your Brain on Crack Cocaine

In the words of music legend Whitney Houston ‘Crack is Whack’. But with all the extra attention lately, thanks to Toronto Mayor Rob Ford – what exactly is crack-cocaine? Is it really as ‘whack’ as it’s portrayed to be? Crack is simply another form of cocaine, which comes from the leaves of a coca plant. […]