Without an immune system, our body would not to fight harmful things that enter our body from the outside or harmful changes that occur inside our body. Our immune systems are complex and influenced by many factors :
HEALTHY EATING:
Eating well means emphasizing plenty on
- Fruits and vegetables
- Lean protein
- Whole grains
- Fat–free / low–fat milk & milk products
- Limiting saturated fats & cholesterol
- Salt & added sugars
PHYSICAL ACTIVITY:
Reduced Risk of Death
Excess weight affect our body functions. Obesity, defined as a body mass index (BMI) of 30 or more in adults, is linked to impaired immune functions. It also lower vaccine effectiveness for numerous diseases including,
- Influenza
- Hepatitis B
- Tetanus
- In a study of more than 500,000 US adults, those who met aerobic and muscle-strengthening physical activity guidelines were about half as likely to die from flu and pneumonia as adults who met neither guideline.
- For adults, weekly physical activity guidelines call for at least 150 minutes of moderate-intensity aerobic activity (such as 30 minutes a day for 5 days) plus two days of muscle-strengthening activities.
Regular physical activity helps you feel better, sleep better, and reduce anxiety. Combined with eating well, physical activity can help a person maintain a healthy weight.
LIFESTYLE MODIFICATION:
- Scientific evidence is building that sleep loss negatively affect different parts of the immune system. This leadS to the development of a wide variety of disorders.
- Smoking makes the body less successful at fighting disease, including rheumatoid arthritis.
- Over time, excessive alcohol use weakens the immune system.