"lower immunity" is a correct and usable phrase in written English.
You could use it to indicate that someone's body is not able to ward off disease. For example: John's doctor warned him that his drug use was lowering his immunity, leaving him susceptible to infections.
While most of our clients were adults, the study region has a recent history of population movement, and displaced persons are likely to have lower immunity to local diseases and be more likely to exhibit broad immune responses.
"There is good evidence that, at any age, stress can lower immunity and therefore predispose someone to infection," he said.
Studies have found that a long, hard work-out can lower immunity for up to nine hours.
Feeling isolated from others can disrupt sleep, raise blood pressure, lower immunity, increase depression, lower overall subjective wellbeing and increase the stress hormone cortisol (at sustained high levels, cortisol gradually wears your body down).
However, there may be a downside to that plus-size noggin; new research shows that there is a link between bigger brains and lower immunity, Discovery News reports.
Presumably the age effect may be a consequence of fewer episodes and lower immunity.
Also, more people have lowered immunity, from H.I.V., other immune system diseases or drugs used to treat cancer or prevent transplant rejection.
These cells are central to the immune system and so any damage to them could contribute to the lowered immunity experienced by cosmonauts.
Poor nutrition also lowers immunity.
He added that the spread of H.I.V. and the lowered immunity it causes would undercut the effectiveness of the smallpox vaccine.
People with lowered immunity due to disease or treatment such as steroid medication or cancer therapy.
