WHO Definition of Health
Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.
Health is influenced by genetics, quality of life and standard of living. Physical health or fitness can be achieved by regular exercise, proper nutrition, avoiding the risk factors and enough rest.
Mental health according to WHO is "a state of well-being in which the individual realizes his or her own abilities, can cope with the normal stresses of life, can work productively and fruitfully, and is able to make a contribution to his or her community”.
Mental health is influenced and affected by biological, psychological and social factors...click here.
Smoking
Smoking is a very ancient practice where tobacco is primarily burnt and consumed by inhalation. When tobacco is burnt, the substances inhaled will trigger a number of highly complicated chemical reactions. A substance known as Dopamine will be released at specific receptors in the central nervous system. Dopamines along with another naturally occurring substance called Endorphine will induce pleasure and enjoyment. This will later induce reward and addiction.
Smoking can cause serious unwanted effects. It can cause heart attacks, stroke, chronic obstructive airway diseases, emphysema and cancer. The World Health Organization estimates that 5.4 million deaths were caused by smoking in 2004. For more detailed information about efffects of smoking click here.
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