In this video we recap chromosomes and then explain what DNA is, what genes and the genome are, and how we can use them to track the migrations of early humans.

The astonishing story of Henrietta Lacks' immortal cells, taken without consent, revolutionized medical research but also exposed ethical dilemmas, leading to crucial changes in consent laws to protect patients' rights in the scientific...

Depression can be a debilitating condition, but for some people, tricyclic antidepressants may be a better option. In this video, I talk about the pros and cons of tricyclic antidepressants and how they may be a better choice for...

What is Mixed Mania and How Do We Treat It? The official term for mixed mania is bipolar disorder either 1 or 2 with mixed features. With bipolar 1 disorder, you have episodes of depression and episodes of mania. With bipolar 2,...

This video is about the devices and procedures we use in psychiatry to treat certain illnesses. We call these neuromodulation devices. There are called this because they work by directly stimulating the brain to get their effect. The...

Depression affects millions of people. We’ve developed lots of medication treatments and even therapy treatment, but despite this, about a third of people don’t respond to these treatments and remain depressed. Today I’m going to tell...

In this video, I'm going to explain the details of the recent US Task Force recommendation for anxiety screening. You'll see how you can tell you if have anxiety symptoms and how you can get free help if you're struggling with anxiety.

Can Artificial Intelligence Improve Your Mental Health?

What was daily life like for a king or queen during the Middle Ages? Contrary to what you might imagine, it didn't involve lounging in robes of silk and satin and indulging in lots of feasting. In reality, the life of medieval royals...

Alzheimer's Disease is a horrible condition that can strike at the brain of your loved ones and steal their memories and lives. But what is Alzheimer's Disease? What's going on in the brain? Is Alzheimer's just a normal part of aging?...

Alzheimer’s Disease is the most common cause of dementia and affects 1 in 10 Americans over the age of 65. So if so many people have it, why don’t we have a cure? Let’s talk about why finding effective treatments for Alzheimer’s Disease...

The Medicines Patent Pool is one of the most interesting and innovative global health organisations. They have a huge impact on access to medicines in low-and-middle income countries. In this video we look at their new strategy for...

In which John discusses global human health, mental illness, and how metrics like Disability Adjusted Life Years (DALYs) can help us understand how severely mental illness affects human health around the world.

Learn how to make a working battery with salt water and how you can use it for a science experiment! A kit with the parts for this project is available