Final answer:
Moderate alcohol consumption in older adults can have positive effects on their health, including a potential for longer life expectancy, a protective effect on the cardiovascular system, and improved cognitive function.
Step-by-step explanation:
Moderate alcohol consumption in older adults can have positive effects on their health. One of the benefits is the potential for longer life expectancy compared to those who abstain from alcohol. It is believed that moderate alcohol consumption can have a protective effect on the cardiovascular system, reducing the risk of heart disease. Additionally, alcohol in moderation may improve cognitive function in older adults.