戒菸及適量飲酒
An immune system defends our body against infection and diseases as long as we are not highly exposed to viruses or bacteria.
只要我們不是大量接觸病毒或細菌，免疫系統能使人體抵抗感染與疾病。
defend…against…=防禦…以抵抗…infection(n.)感染infect(v.)感染as long as…=只要…be exposed to=被暴露於…
However, getting sick constantly, slow recovery or having persistent symptoms can be linked to immune system disorders.
不過，經常生病，病好得很慢或久病不癒都可能跟免疫系統失調有關。
constantly(adv.)經常地recovery(n.)復原;痊癒recover(v.)復原;痊癒persistent(adj.)持續的;頑強存在的symptom(n.)症狀be linked to=與…有關聯
Our body needs a well-balanced immune system to maintain good health.
人體需要適當、平衡的免疫系統以維持健康。
well-balanced(adj.)均衡的maintain(v.)保持;維持
Heredity, aging, endocrine disorders, improper diet and lifestyle are factors that lead to immune system disorders.
遺傳、老化、內分泌失調、不良的飲食與生活都是造成免疫系統失調的因素。
heredity(n.)遺傳age(v.)老化aging(n.)老化endocrine(adj.)內分泌相關的improper(adj.)不良的;不適當的lead to=導致;造成
Allergens, germs, pollutants and toxic chemicals are also a recipe for the illness as they weaken our immune system.
此外，過敏原、病菌、污染物質以及有毒化學物質也是疾病的成因，因為這些物質會弱化我們免疫系統。
allergy(n.)過敏be a recipe for sth.=是導致…的原因weak(adj.)弱的weaken(v.)弱化;減弱
A dysfunction can induce allergic reactions and infectious diseases, whereas a severe one may result in an autoimmune disease, a condition in which your immune system attacks healthy cells by mistake.
免疫失衡可引發過敏反應與感染性疾病，嚴重的話可導致自體免疫疾病，是種免疫系統誤認並攻擊健康細胞的疾病。
dys-(pre.)失常;障礙dyspnea(n.)呼吸苦難dyslexia=閱讀障礙dysfunction(n.)功能失調induce(v.)誘發;引發allergic(adj.)過敏的be allergic to=對…過敏infectious(adj.)具有傳染性的result in=導致by mistake=錯誤地;不小心地
To strengthen your immune system, you have to quit smoking and be a moderate drinker.
為增強免疫系統，你得戒菸及適量飲酒。
strength(n.)強項strengthen(v.)強化;增強;加強quit V-ing=戒掉…moderate(adj.)適度的;適量的
You should also get adequate sleep, exercise regularly, find a way to de-stress and live a healthy life.
你也應該充分休息、規律運動、找個方式舒壓以及過上健康的生活。
adequate(adj.)合乎需要的;足夠的regularly(v.)規律地de-stress=舒壓;放鬆