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Things that You Don’t Know about Germs

1. Water temperature doesn’t matter to germs.

Scrubbing your hands with soap and water for at least 20 seconds is your simplest defence against harmful germs. But no need to bother with the hot faucet-warm water is no more effective than cold in removing bacteria from your hands.

2. Hand sanitizer is the next best thing to washing.

If water and soap aren’t available, use alcohol-based sanitizer. Jason Tetro, a Toronto-based microbiologist and the author of The Germ Code, says as long as the product contains 62 to 70 per cent alcohol, it will kill most of the germs on your skin.

3. Some germs are worth nurturing.

Tetro suggests consuming prebiotic-rich foods like bananas and asparagus. Unlike probiotics-live bacteria that improve digestion-prebiotics help nourish the good bacteria already present in your gut.

4. It pays to keep your fridge organized.

Harmful bacteria, such as salmonella, can be spread when ready-to-eat foods, like washed fruits and veggies, come into contact with potentially hazardous ones, like raw meats and their juices. Toronto Public Health’s Owen Chong suggests organizing your fridge with raw meats at the bottom, unwashed produce in the middle and ready-to-eat foods at the top in order to avoid cross-contamination.

5. Don’t wash your chicken before cooking.

If you rinse raw poultry, the bacteria can be carried by the water. To avoid food-borne illnesses during prep, use a separate cutting board and utensils for uncooked poultry, says Chong.

6. Reach for paper towels in public restrooms.

They may be eco-friendly, but hand dryers have one major drawback-they blast germs everywhere. In a 2014 University of Leeds study in England, microbiologists found that the concentration of airborne bacteria around jet air dispensers was 27 times higher than that found near paper towel dispensers.

7. Toilets aren’t the most dangerous thing in public bathroom.

The toilets in public washrooms aren’t necessarily where you’ll find the most germs. “The door handle and sink basin are more dangerous than the toilet itself,” says Tetro. He suggests using paper towel when opening bathroom doors.

8. Germs love toothbrushes.

If you can’t remember when you last changed your toothbrush, it’s time to toss it. An open toilet bowl can allow a biofilm of fecal coliforms to grow on your brush, says Tetro. Keep your lid down and rinse your toothbrush with hot water for five seconds before use.