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The impact of internet use on health among older adults in China: a nationally representative study – BMC Public Health – BMC Public Health

The factors affecting health are complex and diverse. The health ecological model provides a good perspective to analyze what factors affect the health of the elderly, and lays a foundation for the model construction and heterogeneity analysis of this paper [22]. This paper examines how Internet use affects the health of older adults from the second and third layers. In order to clarify the impact mechanism of Internet use on the health of older adults, this paper constructs a healthy production function model. It is based on the Grossman’theory [23], which has been widely used in various studies. For example, Zhang et al. [24] selected control variables based on the Grossman’theory. Aregbeshola & Khan [25] selected explanatory variables based on Grossman’s model.

Consider that individuals have the dual roles of consumer and producer. Assuming that at any given period (t), as a consumer, personal utility is determined by health ({H}_{t}) and non-health consumer goods ({Z}_{t}), the individual’s utility in period (t) is:

$${U}_{t}=U({H}_{t},{Z}_{t})$$

(1)

Faced with time constraints, an individual’s time (T) is fully allocated to four activities, namely, ({T}^{W}) Work: earning income to improve (H) and (Z); ({T}^{Z}): Time spent to improve (Z), such as leisure, travel; ({T}^{H}): Time spent to enhance (H), such as exercise; ({T}^{S}): Time of illness, during which nothing can be produced and it is entirely determined by (H). The constraint lines are:

$$T={T}^{W}+{T}^{Z}+{T}^{H}+{T}^{S}$$

(2)

As producers, individuals produce (H ,text{a}text{n}text{d},Z) that satisfy utility by combining the goods bought from the market with their own time. That is, the production of (H, text{a}text{n}text{d} ,Z) requires two inputs: market goods and personal time. (M) represents market goods that produce health (H), such as fitness equipment, and (J) represents market goods that produce non-health consumer goods (Z), such as tickets. It is worth noting that (Z) is a flow that is consumed in each period produced, while (H) is the stock, similar to capital, which is accumulated and consumed in each period. Thus, at any given (t) period, the production functions of ({H}_{t},text{a}text{n}text{d} ,{Z}_{t}) are:

$${H}_{t}=H({H}_{t-1},{T}_{t}^{H},{M}_{t})$$

(3)

$${Z}_{t}=Z({T}_{t}^{Z},{J}_{t})$$

(4)

Individuals face budget and time constraints. Assuming that in the period (t), the remuneration per unit of work is (w), then the total income is (Y_t=wcdot T_t^W), and the individual can allocate the income between the two types of goods whose prices are ({P}_{m} ,text{a}text{n}text{d} ,{P}_{j}) respectively, then the budget constraint is:

$$P_mcdot M_t+P_jcdot J_tleq wcdot T_t^W=Y_t$$

(5)

Assume that for older adults, ({T}^{W}left(text{w}text{o}text{r}text{k}text{i}text{n}text{g} ,text{h}text{o}text{u}text{r}text{s}right)=0), and their income comes from pensions, child support, etc., and ({Y}_{t}) is a fixed value. So, in the model for older people, there is no need to consider working hours. Production time ({T}^{P}) is non-sick time, that is, the time used for the production of health and non-health consumer goods. In any given period, if the individual is healthier, then the duration of illness (({T}^{S})) is shorter and the production time (({T}^{P})) is longer. The production time constraint for older adults is:

$${T}^{P}=T-{T}^{S}={T}^{Z}+{T}^{H}$$

(6)

At the same time, the marginal return of health on productive time is diminishing, i.e. (frac{partial T^P}{partial H}>0,;frac{partial^2T^P}{partial H^2}<0). When a person is healthy enough, the increase in production time brought by an extra unit of health is small. When it is very unhealthy, the duration of illness is long, and even a small increase in health can bring a larger growth in production time. And there is a minimum point of health level, ({H}_{min}), at which ({T}^{P}=0), indicating that the entire period is sick, which is effectively equal to death. Based on the model, we propose three hypotheses:

Internet use facilitates access to health information for older people, so that they can acquire more health knowledge and improve their health production skills [26]. Search sites, chat groups, short videos and other platforms provide individuals with real-time, convenient, diverse and multi-point health information. It can help disseminate health information to older adults and enhance their healthcare capacity [13]. A study by Cotten [12] also found that people who used the Internet to search for health information had a higher level of health than those who searched by other means.

A good lifestyle is an important way to stay healthy [27]. The Internet’s publicity on healthy lifestyles such as strengthening exercise, health preservation, regular work and rest is conducive to the reasonable allocation of “production time”. And the Internet has expanded the channels of sports publicity, which contributes to enhancing older adults’ awareness and skills, and even the frequency and intensity of exercise [28]. Exercise has a strong antidepressant effect, which is conducive to alleviating loneliness and improving happiness in older adults [29]. Therefore, the subtle impact of the Internet helps older adults improve their lifestyle, increase exercise time, and then enhance their health. So, this paper proposes:

Health ecology models show that multiple factors have an important impact on individual health. The new health production function is ({H}_{t}=AHleft({H}_{t-1},{T}_{t}^{H},{M}_{t},{X}_{t}right)) and ({X}_{t}) denotes other factors affecting health, such as social interactions. The use of the Internet facilitates the connection and interaction between older adults and other people [30]. This helps maintain social relationships, stay active and socially engaged, overcome loneliness and depression, and receive physical and emotional health support [31], i.e., (frac{partial H}{partial X_t}>0).

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Pioneering Research Offers Hope Against Crop Diseases – Seed World

Exploring 50 years of advancements in plant immunity, a new study highlights groundbreaking solutions to combat the threats facing vital crops like wheat, bananas and coffee.

Diseases impacting crop plants have profoundly influenced human history and continue to pose significant challenges in our quest to sustainably cultivate the essential crops that feed, clothe, and sustain us. From wheat and bananas to coffee and cacao, a broad spectrum of crucial crops are under threat from diseases, with risks expected to escalate as climate change progresses.

In their latest publication titled “The plant immune system: From discovery to deployment,” featured in the esteemed journal Cell, IGI Director of Sustainable Agriculture Brian Staskawicz, alongside Jonathan D.G. Jones of the University of East Anglia and Jeffery L. Dangl from the University of North Carolina at Chapel Hill, encapsulates a half-century of milestones in plant immunity research. The trio, renowned for their significant contributions to the field, have been instrumental in several technological breakthroughs over the years, including the development and application of CRISPR genome editing in plants.

“As I look back over the last 50 years, I am amazed and proud of the progress that the molecular plant-microbe interactions research community has made to uncover the molecular basis of plant disease resistance,” Staskawicz shared as he reflected on this journey in a University of California-Berkeley news release.

“Personally, I am grateful to my international colleagues, and especially to my students and postdocs at UC Berkeley who have substantially contributed to progress in this area,” he added. “Finally, our ability to translate these discoveries to create sustainable plant disease-resistance solutions to feed the world has become a reality.”

For a deeper dive into how these breakthroughs are forging paths towards sustainable agriculture, read more in Cell.

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Uganda: Business and Management Graduates Can Become Climate Change and Sustainability Champions – Lessons From Uganda and Tanzania On How Universities Can Support This – AllAfrica – Top Africa News

There is no doubt about it: the world is in the grips of a climate crisis. The headlines are full of reports about extreme weather events and the negative effects of the fossil fuel industry.

This reality means that anyone entering the worlds of business or management today needs to understand climate change. They need the right skills and attitudes to build sustainable enterprises, and to contribute to climate change mitigation and adaptation efforts.

I am a lecturer in management with a particular interest in sustainability and climate change education. Recently I conducted a study at two higher education institutions: Makerere University in Uganda and the University of Dar es Salaam in Tanzania. They are two of the continent’s largest and most respected universities.

I wanted to know how climate change and sustainability education were integrated into their various faculties’ programmes.

The answer? Not very much at all. Students, faculty and administrators all recognised this as a shortcoming. There was a strong sense that sustainability and climate change education should be woven into faculties’ curricula, research and community engagement programmes. But they’ve not yet done so, most often because none of their academic staff are trained in these issues.

Given my research and teaching interests, I was especially interested in how business and management schools were performing in this area. Sadly, they are as behind the curve as other faculties I studied.

I suggest that the continent’s business and management schools are missing a valuable opportunity. Who is better to instil the necessary attitudes, knowledge and skills than business and management schools? They produce many graduates who join various public, private and voluntary organisations and agencies and become influential professionals in these sectors. With the right training, those graduates can become the kind of sustainability champions the world needs today.

The study

My study explored the perspectives and views of lecturers, administrators and students in two academic units, on their institutions’ existing climate change and sustainability education. I asked where they thought they were doing well. I also wanted them to identify the gaps in training, curriculum and research. Participants were encouraged to think about how their institutions could do better.

At both institutions, only academic units within the natural science disciplines had programmes and courses on climate change and sustainability. No such programmes were offered by the arts and social sciences, education, or business and management faculties.

Based on what academics, administrators and students told me, I have devised ideas for what African business and management schools at universities should do, and how, to become champions of sustainability and climate change education.

Getting started

This doesn’t involve reinventing the wheel.

The faculty and students in these schools are already conducting scientific research. More emphasis could be placed on research that relates to climate change and sustainability.

Business and management schools are often already supporting communities based on their research. They are also constantly looking for solutions to community challenges across sectors. They could use their existing community outreach and engagement programmes to support and encourage communities on climate change adaptation options and sustainability-friendly practices.

Working with small artisans, retail shop owners and market vendors to create awareness of climate change and sustainability-friendly business practices can significantly contribute to climate action and sustainability.

However, there will need to be some bigger shifts alongside tweaks to existing outputs and programmes.

Policy recommendations

I have several recommendations for policymakers and decision-makers in business and management training institutions. Here are some of them:

  1. Mainstream and integrate climate change and sustainability education in all the school’s academic programmes.
  2. Integrate sustainability practices in governance and management policies, systems and operations. For example, administrators might consider how to use energy and water sustainably. They could get involved in efforts to green the wider campus. Non-motorised transport systems could be introduced to ensure fewer vehicles are used on campus.
  3. Integrate sustainability indicators within the performance management system for staff and institutional departments. This will encourage staff and units to establish activities that promote climate action and sustainability on campus and in the communities they work with.
  4. Encourage faculty and students to conduct research on climate change and sustainability issues.
  5. Organise events and engage policymakers to disseminate research findings and policy recommendations on climate change and sustainability issues.

There is also a role for national governments and regulators here. In Uganda, for instance, the National Council for Higher Education should integrate sustainability indicators in its assessment of institutions. This is a way to encourage business and management schools to promote sustainability. It’s also a great opportunity for schools and institutions to learn from each other about what works and what doesn’t.

David Ssekamatte, Lecturer in the Department of Management, Uganda Management Institute

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Sovereignty & Supremacy: Zim’s Constitutional Framework | Dzikamai Bere – The Zimbabwean

Dzikamai Bere

In this edition, Communications Specialist, Tapiwa Zivira interviews Dzikamai Bere, National Director at the Zimbabwe Human Rights Association.

During the interview, Bere highlighted the importance of the expanded Bill of Rights for their organization, as it includes all generations of human rights, including social, economic, environmental, and cultural rights. He also emphasized the need to defend the Constitution against threats, as politicians may try to tear it apart. Bere mentioned the Hands Off the People’s Constitution campaign that was launched in 2021 as a way to organize and protect the Constitution.

Bere also discussed the principle of separation of powers and the importance of checks and balances in the three arms of government: legislature, executive, and judiciary. He stressed the need for these arms to be independent of each other to prevent abuse of power. Additionally, Bere highlighted the sovereignty of the people of Zimbabwe, which is established in the preamble of the constitution and linked to the supremacy of the document.

An interesting point raised by Bere was the reminder of the sovereignty of the people in the establishment of each arm of government. For example, in section 8.8.1 of the constitution, it states that executive authority derives from the people of Zimbabwe. This serves as a reminder that the power ultimately resides in the hands of the people.

Bere also spoke about the importance of the Bill of Rights in the electoral process, stating that elections should not just be about positions, but also delivering on the obligations set out in the constitution. To emphasize this, the Zimbabwe Human Rights Association launched the People’s Human Rights Manifesto in April 2023, outlining ten key asks based on the Bill of Rights. This event was attended by five major political parties in Zimbabwe.

Post published in: Featured

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