Accidents are unfortunate events that happened unintentionally, while risky behaviors usually intentional even though the negative effects are already known.
One example of accidents is if plane passengers died during the plane crash. And the example of a risky behavior is to use tobacco product despite the negative effects it has on health.
D is the rightful answer for this question. Prolonged stress can create and even promote bitter diseases such as cold, flu, and heart disease.
Fun fact: i don’t think any of us asked
Thyroid nodule produces the hormones that change your voice
