2.  very young  very old  those with heart or lung problems

3.  headaches  nausea  eye, nose and throat irritation  coughing  respiratory infections – bronchitis and pneumonia pneumonia

4.  long-term, progressive disease thatdamages the air sacs (alveoli) in the lungs – make it hard to get enough oxygen - a causative factor in Chronic Obstructive Pulmonary Disease (COPD)  main cause is smoking

5.  uncontrolled cell growth in the lungs  may lead to metastasis (invasion of adjacent tissues)  caused by smoking, particulates, asbestos, radon PNEUMONECTOMY

6.  conditions affecting the heart; including coronary heart disease, heart attack, congestive heart failure, and congenital heart disease

7. particulates can irritate bronchial tubes main cause is smoking permanently damages the lungs symptoms …thick mucus, tightness in chest, hacking cough and difficulty breathing

8. Airways are always inflamed Have difficulty breathing Particulates and allergies can aggravate an asthma attack SYMPTOMS….  coughing,  wheezing,  shortness of breath  tightness in the chest

9.  chemicals in carpets  building materials  paints  furniture,… SICK BUILDING SYNDROME acute health effects that appear to be linked to time spent inside a building Video – sick building syndrome – 3 min http://www.youtube.com/watch?v=adzMcfHr1q8

10.  colorless  tasteless  odorless  radioactive gas FORMED BY natural process of radioactive decay of uranium DANGEROUS BECAUSE…  carcinogen  inhalation of radon dust can lead to lung cancer

11. naturally occurring strong and flexible heat resistance fibrous mineral used in insulation, building materials, acoustical panels, ceiling tiles, brake linings, clutch assemblies, and as a fire retardant,…. DANGEROUS BECAUSE… irritates lungs when inhaled carcinogen causes Mesothelioma - cancer of the chest cavity causes Asbestosis - can cut and cause scarring of the lungs

12.  unwanted noise  damages hearing  in US hearing loss has doubled in the last 30 years DECIBELS (dB)  measure the intensity of sound  normal conversation is 60 dB

13. sources …  speakers and ear phones from TV, ipod, …  concerts  athletic events  industries  construction sites  trains and airplanes  fireworks  inconsiderate people with radios and woofers Video – noises we hear – 3 min http://www.youtube.com/watch?v=UG5M_CzR1RI

14.  unwanted light  does not present a hazard to human health  does affect the environment

15. sources …  billboards  outdoor lighting  street lights  building lights Video – city dark: light pollution – 4 min http://video.pbs.org/video/2250944650 /