Final answer:
Teens' activity levels and attitudes toward physical activity can evolve over time. Maintaining a regular regimen of physical activity is scientifically proven to enhance health and extend life expectancy. The healthiest lifestyle for older adults seems to support staying active and continuing engagements in social and physical activities.
Step-by-step explanation:
Physical activity and attitudes towards it can indeed change as one ages. Emerging research suggests that while teens may have a propensity for risk-taking behavior due to developmental brain changes, this does not necessarily translate to higher activity levels in adulthood. As one transitions from adolescence to emerging adulthood, and finally into adult stages, it is crucial to consider and adopt a lifestyle that will support long-term health and vitality. It is widely supported by scientific evidence that maintaining regular physical activity is linked to numerous health benefits and can increase life expectancy.
The challenges faced by older adults differ from those faced by younger individuals, which can affect the types of activities one is able to participate in. Despite possible health problems as one ages, many people remain active into their 80s and 90s. Adopting healthy behaviors, including regular physical exercise and cognitive stimulation, can prevent the physical and mental effects of aging. The U.S. Department of Health and Human Services recommends that individuals engage in a balance of moderate and vigorous physical activities, complemented by muscle-strengthening exercises, to garner health benefits that contribute to a longer life expectancy. It's crucial to note that the earlier one starts, the better the chances of carrying these healthy habits into later years.
When considering the healthiest lifestyles for aging people, activity theory, continuity theory, and disengagement theory come to mind. Activity theory suggests that staying socially and physically active is beneficial for aging individuals. Continuity theory implies that continuing existing interests, activities, and roles is pivotal. Disengagement theory posits a gradual withdrawal from society and relationships as one ages, which has been discredited as being beneficial.