Called the expiration dates of certain things.
Experts have compiled a list of popular household items that many of us are accustomed to store for years, without suspecting, for example, that favorite house Slippers can be a powerful breeding ground for bacteria, not yielding unwashed dirty floor or kitchen table.
First in the list is toothbrushes. According to dentist Ben Atkins, need to change them at least every three months. This is assuming that the person is alright with the health of teeth and gums. If you had a common cold or other disease, the brush must be replaced after the first symptoms.
At least once a year, specialists recommend to change a hair comb. It must be cleaned at least once a week . But the shelf life of Slippers – six months.
Or even less, if you are faced with a fungal infection, for example. Treated and not changed the sneaker, you risk re-infecting themselves, says Professor Sally Bloomfield .
Sponge for washing dishes without harm to health to clean the kitchen can serve a maximum of a week. So, the researchers from Germany found in an ordinary kitchen sponges lots of dangerous pathogenic bacteria. Among them cataractei causing meningitis and sepsis. Furthermore, the microorganisms can cause incurable infections, as demonstrated antibiotic resistance.
Also, experts suggest every eight years to change a mattress every five years – the carpet every six months to update plastic containers for food. And safe service life of towels one year, pillows – not more than three years.