1.Cohen believes that when people experience positive feelings, their body may produce a chemical that helps fight illness and disease.
科恩认为，当人们体验积极的情感，他们的身体可能会产生一种化学物质，有助于抵抗疾病和疾病。
2.Breastfeeding provides the best overall nutrition for babies and increases their defense factors to fight illness.
母乳喂养为婴儿提供了最佳的全面营养，并可加强抵抗疾病的防御能力。
3.Fruits are full of antioxidants which boost your immune system and help your body fight illness.
其含有丰富的抗氧化剂能增强你的免疫力帮助对抗疾病。
4.help them fight illness and depression, speed recovery, slow aging and prolong life
帮助他们战胜疾病和抑郁，使恢复的更快，使衰老更慢，是寿命更长我觉得