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1、生活方式与疾病现在学习的是第1页,共14页Lifestyle DiseasesLifestyle DiseasesThey are diseases that are caused partly by unhealthy behaviors and partly by other factors.Causes:a personsHabitsBehaviorsPractices现在学习的是第2页,共14页Controllable Risk FactorsControllable Risk FactorsYour diet and body weightYour daily levels of p
2、hysical activityYour level of sun exposureSmoking and alcohol abuse现在学习的是第3页,共14页Uncontrollable Risk FactorsAge-the body has a harder time protecting itself as it ages.Gender-certain diseases are more common among members of one gender(men-heart disease,women-breast cancer)Ethnicity-African American
3、s are more likely to develop high blood pressure,Mexican Americans-higher risk of diabetes,Asians lower risk of heart disease,European decent-higher risk of heart disease.Heredity-You can inherit chances of developing certain disease just as you inherit your hair or eye color.现在学习的是第4页,共14页Lifestyle
4、 DiseasesTypes现在学习的是第5页,共14页Cardiovascular DiseasesThe diseases and disorders that result from progressive damage to the heart and blood vessels.Treating cardiovascular diseases:Diet and Exercise,Medicines,Surgery,Angioplasty,Pacemakers,TransplantsPreventing cardiovascular diseases:Relax,trim the fa
5、t,hold the salt,keep your weight healthy,dont smoke,get moving 现在学习的是第6页,共14页CancerA disease caused by uncontrolled cell growth.Tumors are a mass of uncontrolled growing cells that form a clump.Malignant-invade and destroys healthy tissueBenign-harmless cell massCauses:Certain viruses(HPV)Radiation(
6、UV rays,X-rays)Chemicals in tobacco smokeAsbestos(material used in fireproofing)现在学习的是第7页,共14页Types of CancerBreastProstateRespiratoryColonUrinaryLymphomaSkinLeukemiaOvarianCervical现在学习的是第8页,共14页DetectingTreatingSelf-examBiopsyX raysMRIBlood and DNA testsSurgery-remove tissueChemotherapy-use of drug
7、sRadiation therapy-beam of radiation to fire at a tumorCombination-use any or all treatments现在学习的是第9页,共14页Preventing CancerDont smoke!Wear sunscreen;stay away from tanning bedsEat your veggies and cut the fatStay activeGet regular medical check-ups现在学习的是第10页,共14页DiabetesA disorder in which cells are
8、 unable to obtain glucose from the blood such that high blood-glucose levels result.Type 1-bodys inability to produce insulin(born with)Type 2-bodys inability to respond to insulin(develop)现在学习的是第11页,共14页Hereditary DiseasesHereditary DiseasesDiseases caused by abnormal chromosomes or by defective ge
9、nes inherited from one or both parents.Single-cell diseases-when one gene out of 30,000 to 40,000 genes has a harmful mutation.Complex Diseases-More than one gene influences the onset of a disease.现在学习的是第12页,共14页Immune DisordersImmune DisordersThe immune system does not function properly resulting i
10、n a immune disorder.Some are relatively mild(allergies);others can be life threatening(AIDS)现在学习的是第13页,共14页Autoimmune DiseasesAutoimmune DiseasesThe immune system attacks the cells of the body that it normally protects.Depending on the cells of the body destroyed,these attacks can result in many conditions.现在学习的是第14页,共14页