It helps your body get used to the allergen better. It just depends on the allergy.
One exercise that should be included is stretching before and after
Which is the greatest physical benefit from jogging?
Jogging is a great exercise to keep healthy, and can be great, benefiting you both physically and even mentally.
But, the greatest physical benefit from jogging is cardiorespiratory endurance.
Hope this helps, regards.
Long term fitness goal. Hence the "desire to be able to run an eight minute mile"