
In How Cold Affects Your Body’s Defenses, host Harith Iskander explains how cold temperatures can impact your body’s ability to fight off infections. When you’re cold, the blood vessels constrict, reducing blood flow to certain areas of the body. This process can weaken the immune system, making it easier for viruses, like the common cold, to take hold. This video is excerpted from BBC’s Got Science?, a science magazine series that explores and explains science in everyday life.

In Treating Severe Combined Immunodeficiency, learn how doctors used gene therapy to fix a boy’s immune system. Meet Reese, a child with severe combined immunodeficiency (SCID), whose immune system was successfully treated through this groundbreaking medical procedure. Discover how gene therapy works, how viruses can be used to deliver genes, and the role of white blood cells in the immune system. This video is excerpted from BBC’s The World’s Most Extraordinary People, a documentary series revealing how rare medical conditions inspire groundbreaking scientific discoveries.

In Exploring Current Research on HIV, learn about the groundbreaking moment when Dr. Hutter cured a patient, Timothy Ray Brown, of HIV for the first time. The video highlights how Timothy, who had developed leukemia in addition to HIV, became the first person cured of the virus through a stem cell transplant. The story explores the role of white blood cells and how some people are naturally resistant to HIV, providing an exciting look into modern medical advancements. This video is excerpted from BBC’s The World’s Most Extraordinary People, a documentary series revealing how rare medical conditions inspire groundbreaking scientific discoveries.



In the video Treating Multiple Sclerosis With Stem Cell Therapy, meet Stephen, a man who lost his ability to move due to multiple sclerosis (MS), an autoimmune disease that attacks the brain and spinal cord. Follow his journey as he undergoes an innovative stem cell treatment to restore his nervous system and regain mobility. Learn about the immune system, autoimmune diseases, and how stem cells can be used to repair damaged systems in the body. This video is excerpted from BBC’s The World’s Most Extraordinary People, a documentary series revealing how rare medical conditions inspire groundbreaking scientific discoveries.

In How Cold Affects Your Body’s Defenses, host Harith Iskander explains how cold temperatures can impact your body’s ability to fight off infections. When you’re cold, the blood vessels constrict, reducing blood flow to certain areas of the body. This process can weaken the immune system, making it easier for viruses, like the common cold, to take hold. This video is excerpted from BBC’s Got Science?, a science magazine series that explores and explains science in everyday life.

In Treating Severe Combined Immunodeficiency, learn how doctors used gene therapy to fix a boy’s immune system. Meet Reese, a child with severe combined immunodeficiency (SCID), whose immune system was successfully treated through this groundbreaking medical procedure. Discover how gene therapy works, how viruses can be used to deliver genes, and the role of white blood cells in the immune system. This video is excerpted from BBC’s The World’s Most Extraordinary People, a documentary series revealing how rare medical conditions inspire groundbreaking scientific discoveries.

In Exploring Current Research on HIV, learn about the groundbreaking moment when Dr. Hutter cured a patient, Timothy Ray Brown, of HIV for the first time. The video highlights how Timothy, who had developed leukemia in addition to HIV, became the first person cured of the virus through a stem cell transplant. The story explores the role of white blood cells and how some people are naturally resistant to HIV, providing an exciting look into modern medical advancements. This video is excerpted from BBC’s The World’s Most Extraordinary People, a documentary series revealing how rare medical conditions inspire groundbreaking scientific discoveries.



In the video Treating Multiple Sclerosis With Stem Cell Therapy, meet Stephen, a man who lost his ability to move due to multiple sclerosis (MS), an autoimmune disease that attacks the brain and spinal cord. Follow his journey as he undergoes an innovative stem cell treatment to restore his nervous system and regain mobility. Learn about the immune system, autoimmune diseases, and how stem cells can be used to repair damaged systems in the body. This video is excerpted from BBC’s The World’s Most Extraordinary People, a documentary series revealing how rare medical conditions inspire groundbreaking scientific discoveries.