A 'Trend' is a large social influence if this is what you are talking about. Trends are something where one person does/wears it (usually a popular person everyone likes) and then everyone else starts doing it.
People who don't get enough iodine cannot make sufficient amounts of thyroid hormone. This can cause many problems. ... Goiter, an enlarged thyroid gland, is often the first visible sign of iodine deficienc
I would say “everyone has a chance to die from a heart attack, even the people who are very healthy. If your heart condition is bad though, you have a better chance of getting a heart attack.”