Compare the yellow fever to the Coronavirus

Which factor is least likely to influence one's choice of purchase? a friend's opinion the advice of a salesperson the price of an item the day of the purchase

How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels by damaging or changing a cell's dna by increasing heart rate by increasing phlegm and mucous production

If a person has a bad pain in their back, specifically lower back a bit above the hip, what should they do besides going to the doctor? what remedies could they use?