Certification through the is more recognized nationally than non- certifications

How is health different for most people in this country today from what it was for people born in 1900? a. people have a shorter life span. b. people today work harder to survive. c. people today live in poorer sanitary conditions. d. people today can focus less on day-to-day survival and more quality of life.

How harmful is it to smoke a pack of cigarettes a week?

Which form of birth control good people use without altering hormonal systems are blocking sperm from fertilizing an egg