Boost Immunity | Boost immunity naturally | Boost immunity in 10 minbr Deep and relaxed breathing can pacify your immune system and decrease inflammation by reducing the levels of stress hormones in your body, so consider making focused breathing exercises, meditation, yoga or tai chi part of each day.br br The authors say that managing stress through relaxation techniques, meditation, yoga, positive thinking and moulding a healthy lifestyle can dramatically improve mood and strengthen the immune system.