Air pollution is the contamination of the air we breathe, indoors or outdoors, by any chemical, physical or biological agent that is potentially threatening to human and ecosystem health. The pollutants with the most robust evidence for public health concern include particulate matter (PM), ozone (O₃), nitrogen dioxide (NO₂) and sulfur dioxide (SO₂) and carbon monoxide (CO). The health risks associated with PM smaller than or equal to 2.5 microns (µm) in diameter (PM₂.₅) are of particular public health relevance. PM₂.₅ and PM₁₀ are capable of penetrating deep into the lungs and PM₂.₅ can even enter the bloodstream, primarily resulting in cardiovascular and respiratory impacts. In 2013, outdoor air pollution and PM were classified as carcinogenic by WHO’s International Agency for Research on Cancer (IARC). Air pollution originates from numerous sources of emission, both natural and anthropogenic (resulting from human activity). The main sources of anthropogenic air pollution can vary ge
Essay on Importance of Mental Health ( 300 Words) Gandhiji once said, "Health is real wealth and not pieces of gold and silver". This statement indicates the importance of health in our life. People usually focus on their physical health and ignore the fitness of the mind. But the fact is that mental health is just as important as physical health. We can control our life because of our highly developed minds. Hence, it becomes very important for us to keep our body and mind fit and healthy for better performance and results. There are many factors that have a great impact on our fitness levels such as depression, aggression, negative thinking, hopelessness and fear. A mentally healthy person is always in a good mood and can easily manage situations of distress and depression. Mental fitness means having positivity in emotions and thinking which improves our ability to enjoy life. It is a positive word and leaves negative thoughts coming into our minds. The term mental fitness