Chronic diseases, such as stroke, ischemic heart disease, and lung cancer, now represent the leading causes of premature death in China, according to a new scientific study. The rise in non-communicable diseases reflects declines in maternal and child mortality over nearly three decades, largely the result of economic growth and increasing levels of education. In addition, China has instituted national programs targeting infectious diseases.

From companies building palm-sized satellites to those aiming to propel satellites into space using cleaner fuels, a new wave of space technology startups are mushrooming in India, catching the attention of investors keen to join the space race.

President Trump made a new promise if voters grant him a second term: “We will come up with the cures to many, many problems, to many, many diseases, including cancer.” Trump’s statement was part of his 2020 campaign kickoff in Orlando, Fla., this week. It echoed remarks by former vice president...