From the following risk factors the one that is beyond control is the biting of insects, as one can never have an idea of that. We can take ointments etc for avoiding it but still this is something beyond reach. These insect bites can cause fever, malaria, dengue, fatigue etc which sometimes also becomes the matter of life and death.
A disease is defined as an abnormality or disorder that produces symptoms or affects any body part.
The uncontrollable risk factor for the disease is the insect bite. Thus, option D is correct.
Tobacco, smoking, alcohol are some of the most common reasons that risk a healthy body. These factors are controllable and avoiding them can improve health.
The unhygienic conditions for living also contribute to diseases and other health problems. Hygienic conditions can be maintained by the individual.
Insect bites are uncontrollable factors, such that one cannot control what type and kind of insect will bite them.
Thus, insect bites are an uncontrollable factor in getting a disease. The correct answer is Option D.
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