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If you are more clean, then there are less chance of germs to be there so less illness.
Two of the more common germs that make you sick are from food. They are E. coli and salmonella.
When you get more sleep: You grow more in your sleep You become more rejuvinized for the next day ahead you also get germs in your mouth.
Hot temperatures because bacteria and germs more faster and are quicker to reproduce, rather than being in cold temperatures.
Because in said house, many more germs are collected and contained in clutter, as you call it. Less germs are in clean, tidy houses because then the germs have less and less places to be on objects and get inside you when you touch something. Also, many more people like your house free of clutter because clutter isn't only unsanitary, it is also very rank smelling sometimes and much more attractive to be around with out clutter.
the food that giving you more tall
More... ill-health, disease, obesity, rubbish (waste packaging), consumerism, but also convenience and abundance of food. Less... fresh food, healthy food, inclination to work and garden and grow one's own food, thus less exercise and awareness of the cycles of nature, less respect for nature.
there are more germs in your mouth than a regularkitchen sink but, the sink would only have less if the sink is running and has been used to do cooking cleaning pots and pans, etc.
Sneezing, but what really matters is how you cover it up. If you sneeze in your hand you will spread the germs to anything you touch, but if you cough into your arm there is less of a chance of it spreading.
Because - the more our towns and cities expand into the countryside - the less land there is for us to grow our own food.
More sun and less rain has killed some types of food. They can't grow because they don't have as many nutrients as some of the other crops.
The demand for food to feed the world's population is going to increase. As more people are brought into the world, and people are living longer, the need for food increases. Yet, there is less land to grow food.