'reduced immunity' is a correct phrase and can be used in written English.
Example sentence: Due to the stress of the pandemic, many people are dealing with reduced immunity.
Patients with ADs often have significantly reduced immunity related to chronic immunosuppressive treatments and intrinsic immune suppression in some diseases, such as SLE and T1D.
Rates of illness, reflecting poor nutrition and reduced immunity to disease, are rising alarmingly.
SCRD promotes multiple illnesses, including abnormal metabolism; reduced immunity; increased stress; and abnormal processing of information by the brain.
In Deceit and Self-Deception, Trivers synthesises all of his research, including the discovery of a clear correlation between lying and reduced immunity.
These tend to emerge if you are old, infirm, suffer from a chronic illness or respiratory disease, or have a reduced immunity, from HIV or undergoing chemotherapy for instance.
The flu virus is more likely to get passed from person to person in winter when people have a reduced immunity to illness if they are cold or unwell.
With the mental and physical effects of workplace stress and overwork so clearly known now – depression, anxiety, reduced immunity, higher blood pressure, digestion problems, headaches, muscular problems, substance abuse – it is, as the Cigna wellbeing report indicated, essential for employers to wake up to what they are losing in their workforces by allowing this situation to keep getting worse.
Add to this the potential difficulties seen in many clones (ex: congenital defects, abnormal development, reduced immunity, or vulnerability to aging or disease; see (Poland and Bishop 2002; Wells 2005; Cibelli et al. 2002)) which may be greater for extinct species with less-intact DNA.
Sleep deprivation's impacts include: weight gain and eating disorders and increased risk of obesity, cardiovascular problems, and diabetes; reduced immunity; depression; anxiety; substance abuse; mood swings; behavior problems; suicidal ideation; and potential impacts on brain development.
