Smoking generally causes problems for everyone, regardless of ages.
Damages the eyes (when the thousands of chemicals get into your bloodstream when you inhale cigarette smoke and it can circulate throughout your body. The chemicals deal damage to the macula, causing tiny blood vessels to burst through it and also kill the cells slowly. In the end, it would lead to loss of vision.)
Increases likelihood of impotence
Contributes to thin bones
Affects mental capacity and memory
Reduces levels of folate, low levels of which can increase the risk of heart disease, depression, and Alzheimer's disease
Affects ability to smell and taste
Increases risk of depression in adolescents
Increases risk of heart disease, stroke, high blood pressure
Increases risk of diabetes
Increases risk of cancer
Causes breathing problems
Reduces immune system and get colds and flu more easily
Smoking affects Pregnant women
Do the new lives get to choose their own destiny? Can they grow up to be as healthy as others of their ages? Nevertheless, they do not have a choice. Is it fair to them that they are born unhealthier than others just because their mothers are smokers?
They may lose their babies.
Their babies may suffer from birth defects (which include mental and physical disability)
Their babies may be born small or low-birth-weight.
They may have premature babies.
Their babies are more likely to die of SIDS (Sudden Infant Death Syndrome).
Their children may be cranky, restless, and get sick more often.
Their children are more likely to have learning problems.
Their children have higher risk of obesity and diabetes later in life.
Smoking affects Children
Children have weaker immune system than most adults. As a result of inhaling smoke from cigarettes, they tend to be affected greater than others.
Ear and lung infections (like pneumonia)
Smoking affects the Environment
Smoking's effects on environment is often not deem as important as others. Most people focus on human's health and thus, neglect about the health of our Earth.
Cigarette butt is one of the most common litters we can see everywhere. For convenience sake, smokers simply throw their finished cigarettes around.
Smokers always strike off the lighted cigarettes before throwing them away. Often, walls are the victims. Grounds are also being torched by the lighted cigarette butts.
It just happens daily that smokers do not deliminish the fire on the cigarette before throwing them around for conveniency. Sometimes, the smokers are at grass area or some easily flamable items are around, fires break out. There are numerous cases of fire caused by lighted cigarettes. Great damages can be done for each fire outbreak.
How does smoking affect the ozone layer? For each cigarette you light, you are contributing to the damaging of ozone layer. You may think the pollution caused by lighting a cigarette may not be as great as other things such as driving a vehicle, but you are not the only who smokes; there are billions of smokers who probably think the same as you and the billions of contributors do pose some effects to the ozone layer. When you smoke, carbon dioxide is being released into the air and the carbon dioxide destroyes our ozone layer, which acts as a shield to block the harmful sunrays. More sunrays get through our damaged ozone layer to melt the ice caps in the North Pole. As the ice caps melt, water level rises tremedously and more catastrophes await.
Even a little second-hand smoke is dangerous. It may not happen to you, but why do you want to take the risk?