Seventh-day Adventism is a Christian denomination that emerged in the mid-19th century in the United States. It emphasizes the observance of the Sabbath on Saturday, the belief in the imminent second coming of Jesus Christ, and the importance of health and wellness. Adventists often promote a vegetarian diet and abstain from alcohol and tobacco. The church is known for its extensive educational and healthcare systems, including Adventist hospitals and universities. Its members are encouraged to engage in community service and missionary work, reflecting their commitment to spreading their beliefs and improving the well-being of others.