Ameliorative Potential of Chlorogenic Acid on Rotenone-Induced Neurotoxicity in Drosophila Melanogaster Model

Chlorogenic acid (CA), abundantly found in green coffee beans, is a phenolic compound with antioxidant and anti-inflammatory properties amongst others. Exposure to rotenone, a natural pesticide, induces Parkinsonism (a type of neurodegeneration) through the induction of mitochondria dysfunction and oxidative stress. Phytochemicals with antioxidant properties may be promising in attenuating this condition. In this research, the ameliorative role of CA on rotenone-induced toxicity in Drosophila melanogaster was evaluated. Drosophila melanogaster (Harwich strain, 1- 3 days old) was used. 6 groups of five vials each with 50 flies/vial were exposed to CA (0; control (2% ethanol), 7.5, 15, 30, 45 and 60 mg/kg diet) for 28 days in the longevity analysis. A 28-day survival assay was carried out with rotenone (0, 250 and 500 μM). CA (30 mg/kg diet) was selected to evaluate its ameliorative potential on rotenone. For the study, the flies were divided into four groups of five vials each and exposed to CA and rotenone; Group A- control (2% ethanol), Group B- CA only, Group C- rotenone only and Group D- CA (30 mg/kg diet)+ rotenone (500 μM)for 7 days. Thereafter, the homogenate was evaluated for oxidative stress status, rate of emergence, negative geotaxis and acetyl cholinesterase activity. CA (30 mg/kg diet) extended the lifespan of flies by 21.4%. Also, CA ameliorated rotenone-induced perturbation in catalase, glutathione-S-transferase and acetyl cholinesterase activities, total thiol and glutathione levels, and behavioral deficit (p < 0.05). CA may have ameliorative effect against rotenone-induced toxicity and Parkinsonism.

Adolescent Girls in Guatemala: Can an Empowerment Program Change Perceptions of Gender Equity, Aspirations, and Communication?

While Guatemala has made great strides towards gender equality, it remains a country with vast disparities. Gender sensitization and empowerment programs during adolescence when gender attitudes are formed have the potential to diminish gender inequities. The Girl Rising Pilot Program (GR) is a 24-week curriculum designed for adolescent girls living in the Sololá region where 95% of the total population is indigenous and Mayan. The present pilot study evaluated outcomes of the GR Guatemala pilot program. Specifically, the evaluation examined whether there were differences between baseline and follow-up on perceptions of gender equity, aspirations, and communication for adolescent girls who participated in the GR program. A quasi-experimental study design with a one group pre- and post-test was implemented. The pilot evaluation study included all 265 participants at baseline who participated in the GR program. after controlling for significant variables, it was found that the gender equitable attitudes score and communications scale still significantly increased between baseline and follow-up. The results of this evaluation prove that gender sensitization programs play a key role in forming and changing gender attitudes during adolescence, and have the potential to alter their short and long-term attitudes and beliefs.

Prevalence and Factors Associated with Under Nutrition among Children Aged 6 to 59 Months in Ngoma District, Rwanda

In Rwanda, 38% children aged 6-59 months are stunted. In Ngoma District, stunting rate is estimated at 41% among the children aged below 5 years. The study objective was to evaluate the prevalence and factors contributing to under nutrition among children aged 6- 59 months in Ngoma District. Cluster sampling was used to determine the study participants for each sector within 14 sectors by considering the sample size of 442. The WHO Anthro software version 3.2.2 was used to determine the nutritional status of the children. SPSS version 24 was used for analysis. Of 442 children participated in the study 50.9% of them were females, 24.4% were aged 15-23 months and the majority of children (89.8%) born with normal birth weight. Study findings revealed that the prevalence of under nutrition was 33.7% for stunting, 3.6% for wasting and 6.6% underweighted. Poor sanitation facility (AOR: 4.1, 95%CI: 1.83-9.3, p=0.001), poor diet (AOR: 1.9, 95%CI: 1.18-3, p=0.008) were significantly associated with stunting. Factors such as lack of hand-washing facilities (AOR: 2.5, 95% CI: 1.013-6.3, p=0.047), not eat vegetables (AOR: 4.4, 95%CI: 1.7-10.96, p=0.001), and not eat fishes (AOR: 4.1, 95%CI: 1.6-10.6, p=0.003) were associated with wasting. Short breastfeeding duration (AOR: 4.5, 95%CI: 2.9-7.2, p=0.001), not eat vegetables (AOR: 1.9; 95%CI: 1.1-3.05, p=0.008), and not eat eggs (AOR: 2, 95%CI: 1.3-2.9, p=0.001) were associated with underweight. Poor families with under-five children need continuous support that will assist them to improve nutritional status of their children.

How Africa Should Engage Ubuntu Ethics and Artificial Intelligence

Automation of human tasks has taken place for a long time now. Humans have in earlier periods dreamed of a world where machines capable of mimicking decision making would be created with some works of fiction describing in caricature, how machines would take over the human space in the world. Artificial intelligence has come to fruition in the last few decades following the development of fast computing capability and vast chip memory. Discussions of how the human space will look and feel when artificial intelligence have taken place at various levels of global organization geared towards ensuring that the new “thinking machines” do not rock human society in ways to render them obsolete. This article looks at the ethics of AI considering the issues that have been outlined by others in the light of communitarian ethics as seen in Africa. It describes the possible impact of thinking machines on society and how individuals would relate with each other and with AI systems.

Knowledge and Attitudes of Bar Attendants towards Second-Hand Smoke in Nyarugenge District, Rwanda

Report has shown that there is an increase of respiratory disease among bars attendants over time whereby in 2011, 32% of bars attendants reported respiratory diseases. The purpose of this study was to assess the knowledge and attitudes of bar attendants towards second-hand smoke (SHS) at work place in Nyarugenge District, Rwanda. This was a cross-sectional study using mixed methods of both qualitative and quantitative. A total of 384 bar attendants participated in the study. Quantitative data were analyzed using SPSS version 21 while qualitative data were analyzed using thematic analysis. Descriptive analysis using frequency and percentages was computed. he qualitative data was analyzed using thematic analysis. The majority of respondents (66.4%) were within the age group of 28-37 years, 60.2% of respondents were males, 60.9% of respondents were illiterate, and 57.3% of respondents were single at the time of data collection.The majority (78.6%) of the study respondents knew that Smoking is dangerous to human health. The cited consequences of SHS include air pollution that enter the respiratory system and damage the lungs, dizziness and others. All respondents agreed that people who smoke should not be allowed to smoke in public places. Improving bar attendants’ access to health education on SHS and encouraging continuous and constant exposure would significantly increase the knowledge and attitude levels of bar attendants towards SHS.

Controlling the Covid-19 Pandemic without Killing the Economy: About Data Driven Decision Making with a Data Model Assessing Local Transmission Risk

Context In the face of further waves of the COVID-19 pandemic, it becomes essential to find a balance between protective actions to guard public health and restrictive measures which can collapse our economy. Background As a basis for public health decisions, officials still rely on metrics that were helpful in the beginning of the pandemic but are now not precise enough for a focused and targeted approach to keep the spread of the infection under control. This can lead to public mistrust, “pandemic tiredness”, and can cause unnecessary damage to the economy without having the desired protective effect on public health. Methods This article discusses various metrics, their advantages and caveats, and it provides suggestions for use in a more targeted and risk-based approach, as an alternative to the current “general lock-down” practice. It suggests the notion of including a concept of “risk contacts per area” to better describe the possibility of virus transmission than currently published metrics do. The article also suggests specific analyses of real-world data for the identification of populations at risk for severe courses of COVID-19 to allow more targeted protective actions. Discussion Data currently used to describe the COVID-19 pandemic lack important parameters like population density and the local likelihood of potentially infectious contacts. The currently often used “all or nothing” approach of shut-down orders needs to be replaced by more sophisticated tactics considering individual local exposure risks and need to be balanced towards metrics on economic short-term and long-term impact. In addition, smart analyses of real-world data may contribute to the effective protection of individuals at risk.

Use of Fluoride and Silver Ion Compounds in Three International School Based Oral Health Programs – A Case Report

Untreated dental caries in children is one of the most common diseases and largest public health problems in the world. A novel caries management program, using 50% silver nitrate, 38% silver diamine fluoride, and 5% sodium fluoride varnish, was developed at Shoreview Dental, LLC, a private dental practice in Oregon USA, and then introduced into schools in Ecuador, Ghana, and Bolivia. Cavitated carious lesions were treated with 50% silver nitrate, followed by covering with 5% sodium fluoride varnish, three times over two weeks for 165 children in Ecuador at initial assessment, 3 months, and 6 months. This protocol was repeated for 271 children in Ghana at initial assessment and 12 months. In Bolivia, 130 children were treated with 38% silver diamine fluoride, followed by covering with 5% sodium fluoride varnish, once per visit at initial assessment, 6, 12, 18, 24, 30, and 36 months. The percentage of children with active cavitated carious lesions at initial evaluation was 92.7% (Ecuador), 55.4% (Ghana), and 92.3% (Bolivia). The final arrest rate of treated surfaces was 98.8% (Ecuador), 67.6% (Ghana), and 90.2% (Bolivia). Effectiveness of cavitated caries lesion arrest is increased when it is thoroughly cleaned and dried before the treatment protocol. Further optimization is obtained when this protocol is repeated multiple times.

Factors Influencing Recovery among Children with Moderate Acute Malnutrition Treated at Kirehe District Health Centers

Acute malnutrition affects nearly 52 million of under five years children globally, 75% of them live in low to middle income countries. The treatment of acute malnutrition using supplement foods could help children recovering and could reduce the risk of sickness. The present study investigated the factors associated with recovery among children with moderate acute malnutrition (MAM) under a follow-up program at health facilities. A prospective study was conducted in 16 health centers of Kirehe District of Rwanda and included 200 children from 6 to 59 months. A semi-structured questionnaire was used for data collection. All children enrolled in the study spent three months in nutrition program at health centers. The results show that after 3 months in the program 77.5% recovered from MAM. Children aged above 36 to 59 months were recovered at 90% whereas children aged from 24-35 months were recovered at 73.5%. Micronutrients and deworming provided at health facility were contributed to the recovery as children who received them were recovered at 89.1% and for those who didn’t were recovery at 72.1%. The findings demonstrated that boys were 16 times more likely to recover from MAM in three months of intervention than girls (AOR=16.19, p<0.001, 95% CI: 5.39- 48.63). Children from moderate income families were 3 more likely to recover than those from very low income families (AOR=2.8, p=0.029, 95% CI: 1.11-7.51). Male gender, receiving micronutrients and deworming from health facilities and family income status were factors associated with MAM recovery status

Bioremoval of Zinc Using the Tomato Plant, Lycopersicon esculentum

Effluents discharged from various industries contain heavy metals. They reach the environment and affect the quality of air, water and soil. Though they are needed in trace quantities for living organisms, they become toxic when they exceed the threshold concentrations. Hence the present study has been designed to test the efficiency of Lycopersicon esculentum in removing zinc from soil. The tomato plants were grown in soil applied with 100, 200, 300, 400 and 500ppm of zinc sulphate for 60 days. Every fortnight, soil samples were taken and analysed for the levels of Cu, Zn, Fe and Mn. Percent removal of zinc by the plant was calculated from the residual concentration. More removal was noticed in higher concentrations of zinc. After 60 days of treatment, levels of Cu, Zn, Fe and Mn were analysed in the above ground and below ground parts of the tomato plant. Zinc level was 90 ppm in both cases and the same in plants grown in all the concentrations of zinc sulphate. Fluctuations in chlorophyll content were noticed while decline was observed in microbial colonies. The data were subjected to two way analysis of variance and the results are discussed.

The Reopening of Schools and Adoption of Universal Wearing of Face Masks in Anticipation of Sustained Transmission or the Second Wave of COVID-19 with the Influenza Virus

The Covid-19 pandemic has swept rapidly from Wuhan, China to the entire globe in less than six months, infecting over 7 million people and claiming the lives of over 500,000. In the United States, greater than 2 million individuals have become infected and over 110,000 people killed. With no evidence of slowing of the coronavirus that causes Covid-19, public health authorities must prepare for possible sustained transmission of Covid-19, or a second wave into the Fall 2020, but with the presence of the influenza A virus. In the Fall 2020, schools will reopen from kindergarten to 12th grade. Dual pandemics or epidemics will result in high morbidity and mortality not observed when either virus was solely active. Community leaders, educational administrators and public health systems must be prepared for simultaneous outbreaks of both Covid-19 and influenza. Although there are no clinical studies that have evaluated the benefits on the use of face masks during an epidemic or pandemic, public health non-pharmaceutical intervention (NPIs) measures should include the routine use of face masks during school sessions. Using face masks with other NPI may interrupt viral transmission as it has been established that respiratory viruses, such as Covid-19 and the influenza virus are transmitted via respiratory droplets, aerosols, and environmental surface contact.