A worm that can cause epilepsy? Meet Taenia solium — the pig tapeworm that travels from gut to brain, causing seizures and preventable epilepsy in millions. In this episode of Science in 5, Dr Bernadette Abela explains how this parasite spreads when pigs eat human feces and humans consume contaminated food or water — and what we can do to stop it. Learn how cooking meat properly, improving hygiene, and vaccinating pigs can break the cycle.

Did you know that RSV is the leading cause of infant hospitalizations worldwide? Each year it claims over 100 000 young lives. In this Science in 5 episode, WHO's Dr Daniel Feikin shares how new immunization options can protect your baby.

Did you know cholera still kills thousands every year — and outbreaks are rising, even in countries that hadn't seen it in decades? Dr. Kate Alberti is here to tell us how this deadly disease can be preventable and treatable. Learn what you can do to protect yourself, your family, and your community.

Did you know that drowning is a leading causes of death among children aged 1-4 years globally and that someone loses their life to drowning every two minutes? Please watch Science in 5 with our expert Dr Caroline Lukaszyk as we discuss this most under-recognized public health threat.

Did you know that the air you breathe can harm your brain, and increase your risk for dementia, anxiety and depression ? Nine out of 10 people around the world breathe air that does not meet WHO's recommended air quality standards. Air pollution kills 7 million people every year. What are cities like London, Bogotá and Beijing doing to clean their air? Dr Maria Neira explains in Science in 5.

Did you know that you can save three lives in just ten minutes with the gift of your blood? What do countries need to do to have safe blood donation systems ? WHO's Dr Yuyun Maryuningsih explains all you need to know to donate blood in Science in 5.

The tobacco industry continues to sell death and destruction by using flavors, packaging and advertising. Is there any "safe" product or consumption method? How does tobacco use harm your body? Join us today in conversation with Simone St. Claire on Science in 5.

The tobacco industry continues to sell death and destruction by using flavors, packaging and advertising. Is there any "safe" product or consumption method? How does tobacco use harm your body? Join us today in conversation with Simone St. Claire on Science in 5.

Are vaccines safe? What's actually in them? In this 2-part episode of Science in 5, WHO's Dr. Kate O'Brien breaks down how vaccines are tested, approved, and monitored even after they reach the public. She also explains what happens if a safety concern is flagged.

Should kids just "get the disease" instead of being vaccinated? Can vaccines really overwhelm a child's immune system? Who decides what vaccines we get—and why? If you're a new parent with questions about vaccines, you're not alone. In this 2-part episode of Science in 5, WHO's Dr. Kate O'Brien breaks down the science behind childhood vaccinations, the importance of the schedule, and the truth behind common concerns.