Home > Lifestyle > EnviroHealth > 21st century life 21st century life All sections in Environmental Health » 21st Century Life » FAQs » Animals » Climate and pollution » Hazards and disasters » EnviroHealth News » Green Tips 8 things you need to know about urban health South African cities are continuing to grow at a rapid rate, creating unique healthcare challenges. Here are 8 things you should know about urban health. Start A Health24 blog » Follow Health24 on Facebook » Test Are you envirohealth savvy? » Ask EnviroHealth Expert » Blood Lions: Bred for the Bullet movie trailer The amazing mountains on Pluto What does a healthy body look like on the inside? Open in Cape Town is the trailblazing BODY WORLDS vital exhibition series. Air pollution increases heart disease risk A study has found an association between air pollution and undesirable changes in cholesterol. Why you should switch off for Earth Hour Are you an Earth Hour Grinch? It’s a bit Green Kitsch, and it’s not going to change the world. But you should still Switch off on Saturday night. Dust to dust: the rising demand for a natural burial More and more people are rethinking traditional burial methods. Fathima Simjee asks why – and what constitutes a ‘natural’ burial? How to survive load shedding Not looking forward to load shedding? Here are a few tips on how to survive a power outage. Mining disasters and rescues Harmony Gold praised its rescue team on Sunday evening, after it completed a 12-hour rescue mission to bring to the surface 486 mineworkers trapped 2.3km underground by a fire at Kusasalethu Gold mine. What causes these accidents? Global warming hits harder 18 years later Since the last climate deal in 1997, the Earth has grown into a wilder, hotter and waterier place, and climate change is now regarded as a more urgent problem. The Twelve Apostles Hotel and Spa is accused of illegal building activities Members of the public are invited to submit comments regarding the 'illegal construction' of additional buildings at The Twelve Apostles Hotel and Spa in Cape Town. World Toilet Day is no joke Imagine this: you are stricken with acute, severe diarrhoea in a public place. The catch: there is no toilet. load more articles advertisement From our sponsors How to care for your vaginal flora Live healthier Hello? » SEE: Interesting facts about hearing loss Earworms: Let it go Is it bad to sleep with earplugs all the time? SEE: Do women hear better than men? The reason why men often appear not to be listening could be because they actually can't hear you. Confident smile? » Acidic drinks can harm your kids' smiles The facts on bleaching your teeth Am I taking good care of my teeth? Why are my teeth stained? We know the rules – brush your teeth twice a day and floss to keep them healthy. But, have you ever wondered what causes those stains that sometimes appear?