In this WHO Science in 5-episode Dr Etienne Krug, Director of Social Determinants of Health, shares examples of cities that are taking action on greener more sustainable transport that can also help keep people healthier and safe.  For example, Mexico City, Mexico has increased cycling lanes while making roads safer Cali, Colombia has sent out bike doctors to help repair bikes and Lusaka, Zambia created safer routes for children to get to school.

Why is Dengue fever spreading to places it did not exist before? What are the symptoms and treatments? What about vaccines? Dr Raman Velayudhan explains in Science in 5.

Disease X How are scientists working to prevent the next pandemic? What do countries need to do to prepare? Dr Ana Maria Henao-Restrepo outlines the R&D needs that the world needs to invest in to prevent and prepare for the next pandemic.

WHO's Science in 5 / Episode# 113 -- Did you know that where you live, the food systems around you and your opportunities to be active increase your risk of developing obesity? How big is this issue? How can you reduce your risk and protect yourself? WHO’s Dr Francesco Branca explains in Science in 5.

If you have suffered from COIVID and are still feeling the symptoms, could it be Long COVID? What are the symptoms? Are treatments available? WHO’s Dr Jamie Rylance explains in science in 5.

WHO and the International Labor Organization (ILO) recently released estimates on how many workers are exposed to intense sunlight at work and how many of them develop non melanoma skin cancer. How does long exposure to sunlight cause skin cancer? Who is at risk? How can you, your employer and your Government protect you? Dr Frank Pega explains in Science in 5

You may have heard about substandard or falsified syrup harming children and even causing deaths. There have been reports of falsified diabetes and weight loss treatments. How can you protect yourself? How does WHO keep you safe from substandard or falsified medical products ? WHO’s Pernette Bourdillon Esteve explains in Science in 5.

Did you know that 70% of the people who need eye glasses do not have access to them? What are the leading causes of blindness? Who is at risk and how can you prevent it? Dr Stuart Keel explains in Science in 5 this week.

Did you know that more and more children are having trouble seeing things that are at a distance? What are the early signs? How would you know if your child is at risk and what can you do to protect your child’s vision? Dr Stuart Keel explains in Science in 5

Climate change is affecting your health every day. What are the future scenarios for health? How can you cope and protect your health? Dr Diarmid Campbell-Lendrum explains in Science in 5.

Why should you care about data? what can data do for you? How does WHO work with data? Dr Samira Asma explains how data works to protect your health in Science in 5.

Are you a parent, teacher or just someone who cares about sexuality education? Dr. Chandra-Mauli Venkataraman answers the important questions on sexuality education in the latest episode of Science in 5. Tune in to learn why it is crucial for our overall health and when, how and by whom it should be provided.

Indoor smoke-free spaces are becoming more commonplace, and for good reason. Did you know that over a million people die every year due to second-hand smoke? One in three countries now have policies in place to create 100% smoke-free spaces, according to a recent WHO report. How do indoor smoke-free spaces help our health and our economies? Dr Kerstin Schotte explains in Science in 5.  

How can you keep your brain healthy and who is at risk of poor brain health? Dr Tarun Dua explains all you need to know about brain health in Science in 5.

As parts of the world experience record breaking temperatures, learn how heat harms us, who is at risk and what you can do to protect yourself. Dr Joy Shumake-Guillemot explains in Science in 5.

Do non-sugar sweeteners help with weight loss? Do they pose a risk to your health? What about so called “natural” sweetness like Stevia? Jason Montez explains the findings from the new WHO report in Science in 5 

One in 2 children in the world suffers from violence which could be sexual, emotional or physical. This includes online violence.  How can you recognize signs of violence and prevent it? WHO’s Sabine Rakotomalala explains in Science in 5 this week.

WHO has been urging rational use of antibiotics for decades now. Why is that? What is at risk? And what can governments and individuals do to preserve the efficacy of antibiotics for future generations? Dr Hanan Balkhy explains on Science in 5

Why are we seeing rising number of COVID-19 cases in some parts of the world? How is the SARS CoV 2 virus evolving? What do Governments and the public need to do to live with COVID-19 safely? Dr Maria Van Kerkhove explains in Science in 5. 

WHO and partners are aiming to interrupt all remaining transmission of poliovirus in 2023. Will the world eradicate this debilitating  disease in 2023? How far have we come in our efforts and what will it take to bring the cases down to zero? WHO’s Aidan O’Leary explains in Science in 5 .

WHO has declared that the Public Health Emergency of International Concern for Mpox remains in effect. Dr Rosamund Lewis provides a status update, lessons learned from the response so far and elaborates on who is at risk in Science in 5 this week.

WHO's technical lead on COVID-19 talks to us about the status of the scientific work needed to find the origins of the SARS-CoV-2 virus. Dr Maria Van Kerkhove provides an update, explains why it is important to understand the origins of pandemics, what WHO's role is in achieving this and how WHO works to prevent future pandemics.

WHO’s latest report is urging everyone to reduce salt in our diet. What happens when we consume too much salt? How would we know if we are consuming too much salt and what can we do to reduce it? WHO’s Dr Francesco Branca explains in Science in 5.

What are the early signs of hearing loss? Can it be cured? What can you do to prevent hearing loss? Dr Shelly Chadha explains in Science in 5