; Whereas the percentage of adults using tobacco products in the United States, the leading cause of preventable disease and death in the United States, accounting for more than 480,000 deaths every year including more than 41,000 deaths resulting from secondhand smoke, decreased from 20.9 percent in 2005 to 15.5 percent in 2016; Whereas approximately 554,000 adults suffered from homelessness in the United States in 2017, an increase since 2010, with 35 percent of homeless individuals still living unsheltered; Whereas the value of a strong public health system is in the air we breathe, the water we drink, the food we eat, and the places where we all live, learn, work, worship, and play; Whereas public health organizations use National Public Health Week to educate the public, policymakers, and public health professionals on issues that are important to improving the health of the people of the United States; Whereas studies show that small strategic investments in prevention can result in significant savings in health care costs; Whereas each 10 percent increase in local public health spending contributes to a 6.9 percent decrease in infant deaths, a 3.2 percent decrease in deaths related to cardiovascular disease, a 1.4 percent decrease in deaths due to diabetes, and a 1.1 percent decrease in cancer-related deaths; Whereas public health professionals help communities prevent, prepare for, withstand, and recover from the impact of a full range of health threats, including disease outbreaks such as the Zika virus, natural disasters, and disasters caused by human activity; Whereas public health professionals collaborate with partners that are not in the health sector, such as city planners, transportation officials, education officials, and private sector businesses, recognizing that other sectors have an important influence on health