I'm researching global aging trends and need some key facts. On the Think Global Health 'Aging' topic page, what significant demographic shift occurred in 2018, and what was the global life expectancy change between 2019 and 2021? Additionally, what is the title and author of the most recently published article on this page?
Navigate to 'thinkglobalhealth.org'. Click on the 'Aging' link in the top-level navigation. Identify the significant demographic shift that occurred in 2018 as described in the introductory paragraph. Locate and extract the global life expectancy change between 2019 and 2021 from the quick facts section. Scroll down the 'Aging' topic page to identify the most recently published article visible. Extract the title and author of this article. Synthesize all collected information into a concise answer.
The agent successfully navigates to the 'Aging' topic page (https://www.thinkglobalhealth.org/topic/aging). The agent states that the significant demographic shift in 2018 was when 'the number of older people (over 64 years old) surpassed the number of young children (under the age of 5) for the first time ever'. The agent states that global life expectancy fell by '1.6 Years' between 2019 and 2021. The agent identifies the title of the most recently published article as 'What It Means to Legalize Assisted Death'. The agent identifies the author of the most recently published article as 'Jenaye Johnson'.