I believe the answer to your question is external stimuli
Stress is a negative reaction to the outside influences.
Noncommunicable diseases<span> (NCDs), also known as chronic </span>diseases<span>, are not passed from person to person. ... The 4 main types of </span>noncommunicable diseases<span> are cardiovascular </span>diseases<span> (like heart attacks and stroke), cancers, chronic respiratory</span>diseases<span> (such as chronic obstructive pulmonary</span>disease<span> and asthma) and diabetes.</span>
Answer:
the answer is C== brainliest please