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Harmful Substances Photocredits: iStockphoto.com.

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Presentation on theme: "Harmful Substances Photocredits: iStockphoto.com."— Presentation transcript:

1 Harmful Substances Photocredits: iStockphoto.com

2 -comes from tobacco plants -made into cigars and cigarettes tobacco

3 EFFECTS OF SMOKING Weak immunity Unhealthy lungs Affected brain Bad breath Stained teeth Breathing problems, stroke, cancer, heart attacks

4 Specific dangers of tobacco smoking Carbon monoxide – prevents blood from carrying oxygen – Lesser oxygen compromises immunity – Results to a body susceptible to common illnesses Nicotine – Addictive chemical – Makes the smoker want to continue smoking

5 Tar – Makes the lungs inefficient in taking in oxygen – Sticks to lungs making them stiff – Breathing difficulties and persistent coughing Other dangers – Increase risk of heart attacks, stroke, chronic pulmonary disease, chronic obstructive pulmonary disease, and emphysema – Cancer of lungs, larynx, mouth and pancreas Virtually same dangers are faced by victims of second hand smoking Specific dangers of tobacco smoking

6 Fermented liquid with intoxicating effects Drinks with alcohol include beer, wines and liquors Considered as a cancer causing substance (liver, mouth and stomach) Alcohol

7 EFFECTS OF ALCOHOL DRINKING Loss of control over body movements Blurred visionNausea Loss of consciousness Liver damage

8 1 st stage Relaxed feel General loss of control over bodily movements 2 nd stage Inability to speak, think or see clearly Confused and unsure 3 rd stage Physical reaction to the chemicals Nausea and vomiting 4 th stage Loss of consciousness Coma Decrease of breathing and pulse rate Can lead to death How alcohol affects the body *Reminder: The above stages are the general stages; this means that for some people, the effect can be slower, or worse, faster than the “normal”


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