Backache – A Matter of Mechanics

Some say that back pain is the price we pay for walking upright. Others claim that the problem of back pain only really started when humankind sat down to reflect and contemplate: a lack of exercise weakens the muscles, which is compounded with stress in our private lives or the workplace. Humans run through life hunched over with worry and the back muscles cramp up more and more. The upshot of it all: backache.

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Air Pollution: What You Need to Know

According to the Environmental Protection Agency (EPA), air pollution is the collection of pollutants found in the air we breathe today (ozone, nitrogen dioxide, particulate matter, sulfur dioxide, lead and carbon monoxide being the six primary pollutants). Air pollution is also divided into two categories: ambient air pollution and household air pollution. Ambient air pollution refers to the pollutants present in our surrounding environment (such as the quality of the air in a particular city or region). Household air pollution refers to the quality of the air in an enclosed

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