Meanings of frequent co-occurrence in English

We also discuss the various models that may explain the frequent co-occurrence of ASD and ADHD.

Despite the frequent co-occurrence of uveitis and arthritis, little is understood of the eye's predisposition to this disease.

The frequent co-occurrence of hypothyroidism with other multiple chronic conditions characterizes it more as a comorbidity rather than an isolated chronic disease.

The frequent co-occurrence of mental and substance use disorders ("dual diagnosis") has created a role for addiction-trained psychiatric consultants in drug and alcohol treatment programs.