Physical ways to build immune system would be: – Go for a 10 minute walk a few times a day. – Sunlight giving Vitamin D. – Maintain a healthy weight by eating properly and exercising regular. If you’d like to…

Physical ways to build immune system would be: – Go for a 10 minute walk a few times a day. – Sunlight giving Vitamin D. – Maintain a healthy weight by eating properly and exercising regular. If you’d like to…