If it’s been out longer than four hours, it’s best to throw it away.
By Merrimon Crawford
Did you forget to put the leftovers away? If it's only an hour or two, that's OK, but as the temperature drops under 60 degrees, the risk of bacterial growth – and food poisoning – increases.
Let your tea towel dry out after each use to reduce its bacterial load.
Yes, bacteria can accumulate on tea towels. But most of the bacteria the researchers found are not responsible for food poisoning or other gastrointestinal symptoms.
New research explains that dogs may have evolved to eat faeces as a way to prevent the spread of disease.
Reuters/ Mike Hutchings
When day zero arrives in Cape Town, the routine surveillance systems that monitor disease outbreaks will be enhanced to pick up new diseases.
The usual culprit is the bacterium
Staphylococcus aureus, better known as “golden staph”.
School sores usually clear up within a few weeks, without any scarring. Here's what to do if you suspect your child has them.
Bed bugs make us shudder and cringe. So arm yourself with the courage to learn about the biology and successes of Cimex lectularius -- as well as the ways to get rid of it.
What’s better – breathing through your nose or your mouth?
Breathing in through your nose has many medical benefits over mouth breathing. As usual, be wary of misinformation and bias when looking up health on the internet.
A new report paints a disturbing picture about the lack of hygiene in Aboriginal communities, that particularly disadvantages girls.
Our report shows poor hygiene in remote Indigenous communities is responsible for girls missing school during their periods due to lack of products and knowledge, and feelings of shame. .
Girls in Tanzania listen to an instructor who is teaching them about menstruation.
For millions of girls and women, menstruation is a burden. Here's why helping displaced and poor women and girls with their periods is a way to show true respect for them.
People use the Wawa River in the Philippines for many purposes.
Phoebelyn Gulunan, 2016
Community participation is vital to achieve the Sustainable Development Goals. But at the moment it often comes too little, too late.
A woman carries water she has collected from the Turkwel River near Lodwar in Turkana County, north-west Kenya.
Progress in terms of water and sanitation has traditionally favoured those with money. But the hope with the SDG's is that this gap will be plugged in the future.
There are downsides to clean hands.
Food poisoning or allergies – which to go for.
Alcohol-based hand rubs have their place but aren’t usually needed if you’re washing your hands with soap and water.
They're everywhere in hospitals, travellers' backpacks and the aisles of pharmacies in winter, but do we really need to use alcohol-based hand sanitisers?
Handwashing via www.shutterstock.com.
Faraway sinks, empty hand sanitizer dispensers, employees who just don't want to change are all reasons health care workers don't wash up as often as they should.
Virus spreading machines.
When it comes to preventing the spread of germs, how you dry your hands can be just as important as how you wash them.
Indian Prime Minister Narendra Modi hits the street with cleaners to promote Swachh Bharat.
Indian Prime Minister Narendra Modi wants to bring 1.5 million toilets to the 600 million Indians without access by 2019. If he fails that could prove dangerous in an election year.
The baths at Bath, England.
Romans by Shutterstock
The Romans are well known for introducing sanitation to much of their empire – but did it improve their health?
It’s OK to put your head under but try not to drink the water.
Summer holidays are upon as, and many of us finally get to spend some lazy days by the pool. But how can you ensure this pleasant experience doesn't leave you with any nasty surprises?
I can’t believe it isn’t true.
Hayfever by Shutterstock
Most people who report allergies don't actually have them – and there are other things you may find surprising.
Hyperhidrosis or excessive sweating affects around 3% of the population.
Everybody sweats, some more than others. It’s a physiological reaction to heat and the body’s mechanism to regulate core temperate. Individual sweat rates vary and are influenced by factors such as ambient…