Home > Lifestyle > EnviroHealth EnviroHealth 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. EnviroHealth News Air pollution increases heart disease risk A study has found an association between air pollution and undesirable changes in cholesterol. More in EnviroHealth News Running 7 continents to save water Here's why using the ATM is really gross Qwaqwa residents battling severe water shortages Pizza slice comes at an environmental price Green living Cape school gets clean drinking water for the first time Berg River Primary School received a new Lifestraw Community unit that will convert contaminated water into safe drinking water. See all Green living » EnviroHealth Tear gas: what it does to you and how to deal with it Tear gas is regarded as non-lethal, but causes burning and tearing of the eyes and a burning in the nose, mouth and throat, which leads to coughing, nasal discharge, disorientation, and problems breathing. See all EnviroHealth » 21st century life 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? See all 21st century life » Climate and pollution Residents suffer as drought rages on For thirsty Qwaqwa residents in the Free State, their next drink of water is more likely to come on wheels instead of from the tap as reservoir water levels run low. See all Climate and pollution » Take action 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 EnviroHealth The health-boosting wonders of hemp Hemp is an amazing superfood, supplement, weight loss aid, brain booster, heart helper and all-round nutritional and agricultural wonder. See all EnviroHealth » News Genetically engineered salmon gets FDA approval It's the first animal-based food to get an OK from the FDA, which says it's safe to eat and doesn't need a special label. See all News » 21st century life 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. See all 21st century life » News US teen treated for rare rat-bite fever A 17-year-old was treated for a rare and serious condition after developing pain in her right hip and lower back that affected her ability to walk after being bitten by her pet rodent. See all News » advertisement From our sponsors 10 facts about diabetes and insulin you need to know How to care for your vaginal flora JHB - Free Caregiver Workshop with TENA experts - 15 February JHB - Free home visit and assessment with a TENA nurse advisor 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?