Did you know that social isolation or loneliness could increase your risk of early death by up to 32%? How would you know if you are socially isolated and how does it impact your health? Alana Officer explains and gives tips to overcome social isolation in Science in 5 this week.

Did you know that putting on your sunglasses is one of the ways to protect your eyes from cataract ? Learn about ways to protect yourself from UV radiation from Dr Cornelia Baldermann, Scientific Senior Consultant, at the German Federal Office for Radiation Protection. Dr Baldermann explains where UV radiation comes from and how it impact our health in Science in 5.

Why is WHO concerned about Avian Influenza or Bird Flu? Who is at risk? How can you protect yourself and which foods are safe to eat during an outbreak ? Dr Wenqing Zhang explains in Science in 5.

Did you know that chronic low back pain is a major cause of disability across the world impacting people’s physical capabilities, sleep, participation in work, school and relationships? What kind of treatment should you ask for? Which treatments do not work? Learn to manage your low back pain from Dr Yuka Sumi in Science in 5

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.