There have been several questions raised on this subject in the past few months.
While not earth-shattering, an interesting programme was screened on BBC1 this evening. Available on BBC iPlayer for the next 4 weeks bbc.co.uk/iplayer/episode/m...
Presented by a medical doctor with input from specialists and output from volunteers.
Neutrophil: lymphocyte ratio (NLR) should be less than 3 *
DO
Varied diet with plenty of fibre, supplement with vitamin D
Regular moderate exercise
Sleep 8 hours
Short duration stress/ massage boost immune cells
DON'T
Junk food, sedentary lifestyle
Sleep less than 7 hours
Chronic stress
Heavy drinking depletes immune cells
* CLL patients may have little control over NLR, but the other DO's we can manage.
Mines a double double scotch followed by a massage and a long sleep!