Formaldehyde is a flammable, colorless gas that has strong odor. Whilst the human body naturally produces a small amount of formaldehyde, most of this gas is released into the environment by burning fuels and household wastes. It is a crucial ingredient in many household products and construction materials like permanent-press fabrics, fiberboard, plywood and so […]
If you think smokers are only harming themselves, think again. A 2010 study involving 192 countries found that passive smoking kills about 600,000 people each year, a third of which are children.