Yes, Regular exercise is important and helping to improve your immunity.
The thumb rule for Immunity is
- Balanced diet.
- Minimum 30 minutes daily walk.
- Plenty of physical exercise daily or Stretching exercises.
Dr payal Physiotherapy Clinic : How to improve your immunity during corona / Covid 19 Pandemic by Stretching Exercises
This will helps people to reduce their body weight and improve strength of muscles. This is especially true for people who are dedicatedly regularly doing Stretching exercises and minimum 30 minutes walk daily in his/her routine. In addition to that if you should also take healthy balanced diet.