3 of 3 results for "immune system"
Video
Catching a Cold: How Cold Affects Your Body’s Defense

In Catching a Cold: How Cold Affects Your Body’s Defense, 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.

Student Article
Why We Sleep: How Rest Helps Our Body and Brain
The article "Why We Sleep: How Rest Helps Our Body and Brain" from BBC Science Focus explains why sleep is essential for our physical and mental well-being. It explores sleep stages, how much rest we need, what dreams might mean, and why sleep evolved.
Student Article
Beat Winter Illness: Science-Backed Tips to Stay Healthy
The article "Beat Winter Illness: Science-Backed Tips to Stay Healthy" from BBC Science Focus covers evidence-based remedies like taking zinc and vitamin C, washing hands regularly, and getting a flu vaccine to stay healthy during winter.