The present study investigated the level of heavy metals in selected fruits sold commonly in Jos, Nigeria. The fresh fruits (Avocado pear, Black currant, Egg Plant, Golden melon, and Soursop) were purchased from five major markets (Terminus, Farin Gada, Building materials, Bukuru, and Fobur) in Jos. Each fruit sample was collected in triplicate and analyzed using standard procedures. The concentration of heavy metals (Fe, Cu, As, Cd, Zn, Pb, Mn, and Cr) was determined using Graphite Furnace Atomic Absorption Spectrophotometer. The data obtained were subjected to descriptive statistics and then compared with the WHO/FAO acceptable limits. The results revealed low concentrations of Fe (0.125–0.241 mg/kg), Cu (0.015–0.020 mg/kg), Zn (0.925–1.135 mg/kg), Mn (0.025–0.045 mg/kg), Cr (0.018–0.029 mg/kg), and Pb (0.031–0.055 mg/kg) in all five fruits studied. Only cadmium exceeded the acceptable limit of 0.020 mg/kg stipulated by WHO/FAO, with the highest cadmium concentration of 0.085 mg/kg detected in Soursop. Accumulation of cadmium in the kidneys leads to kidney damage and osteoporosis. The Estimated Daily Intake (EDI) values of all metals were lower than the recommended tolerable daily intake values, except for arsenic, for which the hazard quotient greater than 1 was also detected in all the fruits studied. This could be a result of pollution in the environment of the regions where the fruits were cultivated. Long-term exposure to inorganic arsenic causes cancer. Environmental pollution raises health challenges to the consumers and therefore, drastic measures should be implemented to control it.
This study revolved around environmental pollution caused by heavy metals and the health risks posed to humans by the consumption of contaminated vegetables commonly sold in Jos, Nigeria. Vegetables studied (Apium graveolens - Celery, Hibiscus cannabinus - kenaf, Hibiscus sabdariffa - Sorrel or Roselle, Allium fistulosum - Spring Onions leaves and bulbs, Sesamum radiatum - Sesamum leaves) were obtained from major markets within Jos metropolis. They were washed, air-dried, homogenized, and stored in air-tight bottles. Their concentrations of heavy metals (Zn, Fe, Mn, As, Cd, Pb, Cr, and Cu), were determined using a graphite furnace atomic absorption spectrophotometer, and their health risks were evaluated through daily intake and hazard quotient. The vegetables analyzed gave different concentrations of heavy metals with their values falling within the FAO/WHO permissible limits. The highest concentration of Iron (0.515±0.003 mg/kg) and Cadmium (0.095±0.006 mg/kg) were found in Celery, while Kenaf had the highest copper (0.030±0.008 mg/kg) concentration. Zinc was higher in all the vegetables when compared to the other metals. The daily intake values of all the metals examined exceeded the maximum tolerable daily intake (MTDI) except for copper. Hazard quotient values of all the metals were less than 1 except As, Cd, and Zn which were found to be greater, thereby signifying health risk potentials of these metals. The study, therefore, revealed that consumption of these vegetables could constitute potential health hazards to the well-being of the consumers.
There have been reported association of oral health disorders with burnout, stress, and mental health. Arguably, with these reported associations, and the current prevalence of burnout amongst Nigerian doctors, exploring the role of burnout on oral health amongst Nigerian doctors is timely. This study aims to determine the relationship between burnout and oral health-related quality of life amongst Early Career Doctors (ECDs) in Nigeria, while also identifying the role other possible predictors plays in this relationship. This was a cross-sectional study conducted amongst Nigerian ECDs as part of Challenges of Residency Training in Nigeria (CHARTING) II project. A total of 632 ECDs were recruited across thirty-one tertiary hospitals in the 6 geopolitical zones of the country using a multistage cluster sampling technique. A self-administered paper-based semi-structured questionnaire was given to each participant that consented. The tools used to assess burnout and Oral health-related quality of life (OHRQoL) were Copenhagen Burnout Inventory (CBI) and Oral Health Impact Profile (OHIP-14) respectively. Independent samples T-test, ANOVA and Multiple linear regression were used to draw inferences from the data collected. Overall mean OHIP-14 score of all participants was 11.12 (±9.23). The scores for the 3 dimensions of burnout were below 50% with CBI-Personal Burnout having the highest score of 49.96 (±19.15). Significant positive correlations (p < 0.001) were found between OHIP-14 and all the dimensions of burnout, as the burnout scores were increasing, there was a corresponding increase in the OHIP scores thus poorer OHRQoL. The regression model shows that the predictors of OHIP were CBI-PB (p = 0.003), use of fluoride paste (p = 0.039), use of tobacco (p = 0.005) and being a denture user (p = 0.047). This study shows a positive correlation between burnout and OHIP of ECDs. We found that as burnout was increasing, OHIP increased thus implying poorer oral health related quality of life amongst ECDs. The use of fluoride toothpaste, tobacco and denture are other factors we found that could affect the OHIP of ECDs.
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