D. 30 to 60 is the answer i think... I read about it on a dental health website.
Answer:
Regular health exams and tests can help find problems before they start. They also can help find problems early, when your chances for treatment and cure are better. By getting the right health services, screenings, and treatments, you are taking steps that help your chances for living a longer, healthier life. It would be to determine the risk of passing a disease to others.
Explanation:
Planning ahead can make juggling a busy schedule easier by making your actions clear and relieving some stress by knowing you have a plan. Planning tools that are available are apps on phones, calendars, to-do lists, and many more.