Answer:
Regular check-ups can help find potential health issues before they become a problem, they are able to detect health conditions or diseases early.
Explanation:
The answer to your answer is B because who cares what your freinds think,from a personal experience I shouldn't but I do,but still I shouldn't and neither should you or anyone else for that matter.
A. Virus - flu
B. Fungus - yeast infection
C. Protist - malaria
Cultural factors, parental factors, mood, hunger cravings, health benefits, social setting, convenience, cost and allergies/intolerance are just some examples of factors that affect food purchases! Please let me know if you need any explanations! :)