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Your immune system is working around the clock to help keep you at your best, so return the favor! There are many factors that affect immune health. Some factors like age cannot be changed, but there are many simple lifestyle modifications you can make to optimize your immune health. *
您的免疫系統全天候工作，以幫助您保持最佳狀態。
影響免疫健康的因素有很多。年齡等一些因素無法改變，但您可以通過許多簡單的生活方式改變來優化您的免疫健康。
AGE. The immune response starts to weaken around 60 and continues to weaken with age.2
STRESS. Both physical and emotional stress can negatively affect the immune system. The stress hormone cortisol has been shown to decrease white blood cell numbers.3
SLEEP. Important immune proteins called cytokines are released while we sleep.4 It is important to regularly get adequate, restful sleep to support functions of the immune system.
PHYSICAL ACTIVITY. Regular moderate-intensity exercise performed on a near-daily basis is associated with better immune health. Unfortunately, over 80% of U.S. adults are not meeting recommendations for aerobic and muscle-strengthening activities.5
NUTRITION. The immune system needs proper nutrition to function optimally. There are a number of vitamins, minerals and other nutrients that play a role in supporting immune health.&dagger Zinc is widely recognized as one of the most important minerals needed for healthy immune function.&dagger
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