You are given a paragraph, with numbered sentences, and a question. Write the numbers of the sentences needed to answer the given question. Separate multiple sentence numbers with a comma (", "). E.g. "1, 2" would be the correct response if Sent 1 and Sent 2 are needed to answer the given question (do not include sentences that contain no information that is necessary to answer the question). Sort the sentence numbers in an increasing order (i.e., '1, 2', instead of '2, 1'). Your answer should not contain anything than the sentence numbers separated by a comma (e.g. '1, 2, 3, 4'). The given question requires more than one sentence to answer. So, your answer must contain at least one comma (", ").

Paragraph- Sent 1: (CNN) -- Beyond skateboards, Silicon Valley and hippies, California has a trendsetting streak of a different kind.
Sent 2: The state has been first to pass major public health initiatives that have spread throughout the country.
Sent 3: California was first to require smog checks for clean air, pass anti-tobacco initiatives and bike helmets laws.
Sent 4: While these laws were met with skepticism and ridicule, they've often become standard practice in other states.
Sent 5: The Golden State was first to ban smoking in workplaces, bars and restaurants in 1998.
Sent 6: Now similar rules exist throughout the country.
Sent 7: Some advocates tout the state as a forward-thinking vanguard in which its health and safety laws are routinely emulated by other states.
Sent 8: "There have been progressive legislations in tobacco, environment and obesity prevention," said Mark Horton, a lecturer at the University of California Berkeley School of Public Health.
Sent 9: "In some respect, the rest of the country looks to California as a laboratory for moving forward with those various types of initiatives."Sent 10: But some critics liken the Golden State to a nanny state.
Sent 11: California has 151,002 health and safety laws.
Sent 12: "It never ends," said Laer Pearce, who works in public affairs in Orange County.
Sent 13: "Every year, several hundred bills come through and dozens of them tell us how to live our lives."Sent 14: Starting in January, 760 new California laws went into effect -- for example, the importing of shark fins is prohibited, student athletes are required to have medical clearance after suffering a head injury, teens are banned from using tanning booths and the sale of caffeinated beer is forbidden.
Sent 15: There's a perception that California has "more folks who are health-oriented and more health-minded," said Horton, former director of the California Department of Public Health.
Sent 16: It's not just workout fanatics hanging out at Muscle Beach, Sierra Club members hiking mountains or the uber-health-conscious touting organic foods.
Sent 17: Californians in general tend to have healthier habits, ranking 10th for physical activity, fourth for healthy blood pressure and fifth for a diet high in fruits and vegetables compared with other states, according to America's Health Rankings. 
Question: Why is there a perception that Californians are more health conscious?.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
8, 17.