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At least 19 recordsLinked to original sources
PubMed1991

Concentration of boron and other elements in human foods and personal-care products.

The element boron is ubiquitous in the environment. Comparatively low concentrations of dietary boron affect several aspects of mineral metabolism in animals and human beings. Therefore, it is appropriate to determine precisely the concentration of boron in human foodstuffs and absorbed, inhaled, or ingested nonfood substances. In this article, we report the analyzed concentrations of boron and other elements in selected foods (animal products, water, condiments, confections, fruits, tuberized roots, vegetables, cereal grains, and spices) and personal-care products (analgesics, antibiotics, decongestants, antihistamines, dental hygiene products, gastric antacids, and laxatives). We conclude that daily intake of boron usually differs considerably between any two individuals for three main reasons. First, concentration of boron in water varies considerably according to geographic source. At some locations, boron in drinking water and water-based beverages may account for most of the total dietary boron intake. Second, individual food preference greatly influences daily intake of boron. Fruits, vegetables, tubers, and legumes have relatively much higher concentrations of boron than do cereal grains or animal tissues and fluids. Third, boron was determined to be a notable contaminant or major ingredient of many personal-care products.

Administration, Oral↗
PubMed2026

Exposome influences: a multi-omics perspective on the combined toxic effects of pharmaceuticals and personal care products in Alzheimer's disease.

According to WHO data, approximately 57 million people worldwide were affected by dementia in 2021, with prevalence projected to rise. Alzheimer's disease (AD), responsible for 60%-80% of dementia cases, continues to be a leading cause of mortality, with current treatments offering limited efficacy and disease-modifying therapies lacking widespread adoption or conclusive safety evidence, shifting the focus toward prevention and risk modification. Risk factors for AD include both non-modifiable elements, such as age, genetics, and gender, and modifiable factors, like environmental pollution, health status, and diet. While age remains the primary non-modifiable risk factor, early-onset dementia represents only up to 9% of cases. Addressing modifiable factors is essential, as it could prevent or delay almost half of dementia cases, with interventions-such as increased physical activity, smoking cessation, alcohol limitation, and overall health management-being significantly associated with a reduced risk. In this context, the exposome approach offers a comprehensive, integrative framework in which both modifiable and non-modifiable risk factors interact to influence individual susceptibility. Within the neural exposome, chronic low-dose exposure to xenobiotics-such as industrial chemicals, pesticides, metals, pharmaceuticals and personal care products (PPCPs), and air pollutants-may induce neurodegeneration via mechanisms including oxidative stress, neuroinflammation, proteinopathies, and epigenetic modifications, although establishing causality remains challenging. Integration of genomics, transcriptomics, proteomics, metabolomics, and lipidomics, combined with artificial intelligence (AI) techniques such as machine learning (ML) and deep learning (DL), provides promising avenues for biomarker discovery, enhanced preventive strategies, early non-invasive diagnosis, and therapeutic target identification by integrating multi-layered biological data with exposure profiles. This review highlights emerging AD risk factors-including PPCPs-underscoring complex, multifactorial nature of AD and exposome, and the requirement for an interdisciplinary research approach, while also addressing several critical research gaps and methodological limitations.

Alzheimer’s disease↗
PubMed1990

Antiproliferative effects of amphiphilic molecules.

Previous investigations indicated that certain long chain amphiphiles possess immunosuppressive activity. Here we tested this concept by studying the ability of a series of nitrogen-containing amphiphiles of varying hydrocarbon chain lengths to inhibit the human mixed lymphocyte reaction (MLR). Seventeen of 29 compounds were classified as inhibitory in the MLR but not toxic to the cells, six were both inhibitory and toxic to the cells, and six were inactive at the concentrations tested. In contrast, cyclosporin A inhibited the MLR and was not toxic. With the hypothesis that the amphiphiles might act to inhibit cell proliferation in a nonspecific manner, they were tested on a battery of tumor cell lines at concentrations that did not show toxicity in the MLR. Whereas cyclosporin A did not inhibit the proliferation of tumor cells, most of the active amphiphiles did inhibit tumor cell proliferation and, in addition, killed the tumor cells. These results suggest that the amphiphiles are antiproliferative and do not show specificity of action on cells of the immune system. Finally, based on available data that showed poor skin penetration, no significant human health risk seems likely from skin contact with these chemicals, as they are currently used in household products or rinse-off personal care products.

Adult↗
PubMed1992

Allergic contact dermatitis from formaldehyde. A case study focussing on sources of formaldehyde exposure.

Formaldehyde is a common contact allergen. The prognosis of formaldehyde-sensitive patients is generally considered to be bad because of widespread exposure to formaldehyde. 11 patients with eczema and a positive patch test to formaldehyde were interviewed by a dermatologist and a toxicologist/chemist and instructed to fill in a questionnaire on exposure to chemical products. The content of formaldehyde and formaldehyde releasers in such products was examined using the database of the Danish Product Register (PROBAS) and by supplemental inquiries of manufacturers or importers. All the patients used one or more products containing formaldehyde or formaldehyde releasers. Sources of exposure were cosmetics and personal care products, dishwashing liquids, water-based paints, photographic products, etc. Patients were advised to use alternatives to those products containing formaldehyde or formaldehyde releasers. The status of 10 out of the 11 patients' eczema at follow-up was about 1/3 healed, 1/3 improved and in 1/3 no change. When the relevance of positive patch test reactions to formaldehyde was based on information obtained on exposure, a very high rate of current relevance was found. Computerized data on product composition allows the screening of products for contact allergens and also generates lists of contact allergens indicated for patch testing, based on the patients' own products.

Adult↗
PubMed1985

Dose-response assessments of Kathon biocide (I). Diagnostic use and diagnostic threshold patch testing with sensitized humans.

Nearly all effective, commercially available preservatives possess skin sensitization potential. This manuscript describes a program of diagnostic patch and practical use testing of consumer products that contained Kathon CG, a relatively new biocide. A series of threshold diagnostic patch tests demonstrated that the minimal elicitation concentration in occluded patch testing of allergic subjects considerably exceeded the concentrations of the biocide typically present in normal diluted use of the test products. Use testing further confirmed a threshold exposure for eliciting allergic reactions. It showed that even subjects who have delayed contact hypersensitivity to Kathon CG used rinse-off personal care products preserved with this agent without experiencing elicitation of these allergies.

Dermatitis, Contact↗
PubMed1992

Comparison of pediatric poisoning hazards: an analysis of 3.8 million exposure incidents. A report from the American Association of Poison Control Centers.

This analysis of life-threatening and fatal pediatric poisonings was conducted to aid poison prevention educational efforts, guide product reformulations and aversive agent use, reassess over-the-counter status for selected pharmaceuticals, and identify research areas for clinical advances in the treatment of pediatric poisonings. A hazard factor was devised to assess more objectively the pediatric poisoning hazard posed by pharmaceutical and nonpharmaceutical products. By considering the frequency and extent of injury following actual exposures, the hazard factor reflects more than the acute toxicity of individual ingredients and is also influenced by such variables as packaging, accessibility, availability (as a reflection of marketing), formulations, and closure types. Of the 3,810,405 exposures involving children younger than 6 years of age reported to poison centers in 1985 through 1989, 2117 patients experienced a major outcome (life-threatening effect or residual disability) and an additional 111 fatalities occurred. The three most commonly implicated substance categories, accounting for 30.4% of reported exposures, include cosmetics and personal care products, cleaning substances, and plants. All had low hazard factors, with significant hazards being limited to a small number of products identified herein. Thus this analysis of hazard factors demonstrates that frequent exposure does not imply toxicity. Iron supplements were the single most frequent cause of pediatric unintentional ingestion fatalities, accounting for 30.2% of reported pediatric pharmaceutical unintentional ingestion fatalities reported over an 8-year period. Antidepressants, cardiovascular medications, and methyl salicylate follow in frequency of pediatric pharmaceutical deaths. Hydrocarbons (including five lamp oil deaths) and pesticides were each implicated in 12 pediatric ingestion fatalities during the 8-year period.(ABSTRACT TRUNCATED AT 250 WORDS)

Child, Preschool↗
PubMedDate not supplied

Recurrent poisonings among paediatric poisoning victims.

A study of 1943 potentially toxic ingestions occurring in children under 6 years of age was conducted by 3 geographically and demographically diverse poison centres to determine the incidence of exposures to poison. Of the total group, 30.1% indicated that the child had experienced a prior poison exposure (12.0% in children under 1 year of age, and 41.3% of children between the ages of 3 and 5 years). Most repeaters (68.9%) experienced only 1 prior ingestion (range 1 to 15). Two prior ingestions were reported in 17.6% of repeaters; 3 prior ingestions in 4.4%. A profound effect of age on type of substance ingested was observed, with drugs accounting for 11.0% of ingestions in children under the age of 1 year, 23.2% in 1-year-old, and 49.9% in 2- to 5-year-old. A corresponding age-related decline in ingestions of household and personal care products was also noted. Although less marked than the age effect, a statistically significant propensity to re-ingest similar types of poisons was observed. Among repeaters, those with a prior ingestion of a drug subsequently ingested another drug 1.49 times more frequently than expected. A similar trend was observed with products (1.24 times more frequently) and plants (2.00 times more frequently).

Age Factors↗
PubMed2024

Integrated multi-omics approaches reveal the neurotoxicity of triclocarban in mouse brain.

Triclocarban (TCC) is an antimicrobial ingredient that commonly incorporated in many household and personal care products, raising public concerns about its potential health risks. Previous research has showed that TCC could cross the blood-brain barrier, but to date our understanding of its potential neurotoxicity at human-relevant concentrations remains lacking. In this study, we observed anxiety-like behaviors in mice with continuous percutaneous exposure to TCC. Subsequently, we combined lipidomic, proteomic, and metabolic landscapes to investigate the underlying mechanisms of TCC-related neurotoxicity. The results showed that TCC exposure dysregulated the proteins involved in endocytosis and neurodegenerative disorders in mouse cerebrum. Brain energy homeostasis was also altered, as evidenced by the perturbation of pyruvate metabolism, TCA cycle, and oxidative phosphorylation, which in turn caused mitochondrial dysfunction. Meanwhile, the changing trends of sphingolipid signaling pathway and overproduction of mitochondrial reactive oxygen species (mROS) could enhance the neural apoptosis. The in vitro approach further demonstrated that TCC exposure promoted apoptosis, accompanied by the overproduction of mROS and alteration in the mitochondrial membrane potential in N2A cells. Together, dysregulated endocytosis, mROS-related mitochondrial dysfunction and neural cell apoptosis are considered to be crucial factors for TCC-induced neurotoxicity, which may contribute to the occurrence and development of neurodegenerative disorders. Our findings provide novel perspectives for the mechanisms of TCC-triggered neurotoxicity.

Animals↗
PubMed2026

Comprehensive source-risk assessment of organophosphate esters in surface water of the Dianchi Lake Basin, Yunnan, China.

Organophosphate esters (OPEs), widely used as flame retardants and plasticizers, have been increasingly detected in aquatic environments. However, investigations of their distribution in high-altitude plateau lakes remain scarce. Identifying and quantifying the sources and associated risks of OPEs are crucial for subsequent water environment management. In this study, an integrated source-risk analysis approach was employed by combining the Positive Matrix Factorization (PMF) model, the Geodetector (GD) model, and risk quotient (RQ). Analysis of 14 OPEs in surface waters of the Dianchi Lake Basin (DLB) revealed 12 detectable compounds, with total OPEs concentrations (ΣOPEs) ranging from not detected (ND)-64.6 ng/L during the wet season and ND-35.8 ng/L during the dry season. Elevated ΣOPEs were primarily observed at inflow sites in the northern part of the lake and in urban rivers. Source apportionment indicated four major contributing sources: agricultural films containing flame-retardant and plasticizer additives, traffic-related particulate emissions, releases from household and personal care products, and industrial production and applications of flame retardants in plastics, electronics, and related products (the predominant source). The ecological impact caused by OPEs ranges from no risk to low risk, with tris(2-chloroethyl) phosphate emitted from industrial source being the primary driver of potential environmental risk. These findings highlight the necessity of prioritizing industrial sources in future management strategies. Overall, this study provides a methodological framework for source apportionment and risk assessment of OPEs and offers scientific evidence to support environmental management of OPEs in the DLB.

Environmental Monitoring↗
PubMed2026

Effectiveness of a Web-Based Educational eHealth Platform on Women's Health Literacy About Phthalate Exposure: Randomized Controlled Trial.

BACKGROUND: Phthalates are environmental endocrine-disrupting chemicals widely used in plastics, cosmetics, food packaging, and personal care products. Women may experience frequent exposure through everyday consumer and household products. Improving phthalate-related health literacy may support informed exposure-reduction decisions; however, conventional health education provides limited opportunities for repeated, interactive, and individually tailored learning. OBJECTIVE: This randomized controlled trial evaluated the effectiveness of an eHealth educational intervention (Phthalates Free) in improving women's overall and domain-specific phthalate-related health literacy and examined the association between platform engagement and health literacy outcomes. METHODS: A double-blind randomized controlled trial was conducted in the outpatient department of a regional teaching hospital in Taipei, Taiwan. A total of 114 women were randomly assigned to an intervention group (n=58) receiving a 6-month eHealth platform-based education program and a control group (n=56) receiving conventional paper-based education. Assessments were conducted at baseline (T0), 3 months (T1), and 6 months (T2). The Phthalate Health Literacy Scale (10 items; &#x3b1;=.90, content validity index=0.93) measured overall and domain-specific literacy (health care, disease prevention, and health promotion). Longitudinal outcomes were analyzed using generalized estimating equations based on all available observations according to participants' original randomized assignments, with adjustment for waist circumference and pregnancy history. Analysis of covariance (ANCOVA) was used to compare 6-month outcomes after adjustment for baseline scores. Platform engagement and perceived usability were assessed using back-end analytics and the System Usability Scale (SUS). RESULTS: At 6 months, the intervention group showed a significantly greater increase in total health literacy than the control group (+9.93 points, Wald &#x3c7;&#xb2;1=17.74; P<.001). Domain analyses revealed significant improvements in health care (+1.52; P=.001), disease prevention (+1.32; P=.001), and health promotion (+1.12; P=.001) domains. ANCOVA confirmed the between-group difference at T2 after adjusting for baseline scores (F1,109=11.43; P=.001; adjusted mean difference=7.15, 95% CI 2.96-11.34). Engagement analysis showed that high-engagement users (n=10) scored significantly higher in overall health literacy (t55=-3.00; P=.004) and all domains than general users. The SUS results (mean 84.7, SD 5.2; n=46, 79.3%) indicated high perceived usability. CONCLUSIONS: The Phthalates Free eHealth educational intervention significantly improved women's overall and domain-specific health literacy over 6 months. Higher platform engagement was associated with better health literacy outcomes. The intervention may serve as a practical adjunct to nurse-led education in outpatient and community settings by providing accessible, continuous, and evidence-based guidance on reducing phthalate exposure.

Humans↗
PubMedDate not supplied

Substance abuse among nurses: types of drugs.

Substance abuse among nurses can have significant ramifications for patient care, productivity, and personal well-being. Existing evidence suggests that critical care nurses are especially vulnerable to pressures that induce substance abuse. Consequently, critical care leaders and nurses need to be prepared to help their impaired colleagues. This paper provides several valuable guidelines for addressing substance abuse based on an exploratory study of the types of drugs or substances most frequently abused among nurses.

Adult↗
PubMed1979

A behavioral program for the treatment of chronic patients.

The authors report the development of a short-term behavioral therapy program for chronically hospitalized schizophrenic patients who had responded only minimally in a therapeutic community. The basic program was a token economy, which concentrated on personal care activities, productive activities, and leisure activities, combined with drug treatment. During the first 9 months of the program 105 patients were admitted and 79 were discharged--24 to nursing or group homes and 47 to their own home or family. At 1-year follow-up 62 patients were still in the community without any readmissions. The findings that a token economy can be effective with chronic patients at comparatively little additional expense has broad implications for custodial care facilities with limited resources.

Adult↗
PubMed1987

[The perpetrator lies in the cemetery. Regarding the report "Costs of aging for the Ministry of Health and Welfare"].

The Dutch government is concerned about the aging of the population, especially in relation to the increase of the costs of care. After the government report 'Care of the elderly' now a report is presented dealing with the expected increase of costs in health care and welfare because of the aging of the population. The report has an informal status. Its objective is to develop alternatives and to offer choices in controlling the increase of costs. It is calculated that the public costs of 'care' will increase with 1.4 billion guilders in the next four years due to the aging of the population. To reduce these costs the following options are presented: substitution-policy of hospital care by primary care, improvement of productivity and personal contribution by care-users. The disadvantages of these options are not explored, although they are well known. The relationship between the expected cost-increase and societal developments is mentioned, but not analysed. The report as it is written now does not explore in depth the developments in changes of consumer behaviour in relation to aging. Therefore it does not offer real alternatives.

Aged↗
PubMed1990

HIV-1 testing: product development strategies.

Strategies for the development of diagnostic products for acquired immune deficiency syndrome (AIDS) are inextricably linked to the status of our knowledge of the human immunodeficiency virus (HIV) and the events associated with the pathogenesis of AIDS. This review traces product development strategies from 1984 to the present day. Product development activities in the HIV-1 antibody screening test market were a response to the need to remove contaminated units from the blood supply. With the successes in screening blood and blood products, there has been a shift towards product development for personal health care and applicant suitability. Identification of markers for disease progression and the need to monitor therapeutic efficacy is now leading to tests for patient disease staging, monitoring and prognosis.

Acquired Immunodeficiency Syndrome↗
PubMed1986

Dose-response assessments of Kathon biocide. (II). Threshold prophetic patch testing.

Biocidal preservative agents are important in preventing the growth of pathogenic and nonpathogenic organisms in a variety of personal care, household and industrial products. Nearly all effective, commonly used preservative materials possess skin sensitization potential. In a series of 13 prophetic human repeat insult patch tests involving a total of 1450 subjects, no skin sensitization was induced at concentrations of 10 ppm, 6 ppm or 5 ppm (1121 subjects) or at 15 ppm (200 subjects) of a new isothiazolinone preservative mixture (Kathon CG). Delayed contact hypersensitivity was induced in 1 of 84 subjects at 12.5 ppm and in 2 of 45 subjects at 20 ppm. These results add further support to the previously reported conclusion that use of this new biocide at the very low concentrations required for effective preservation of rinse-off products involves an extremely low risk of clinical dermatoses.

Dermatitis, Contact↗
PubMed1988

The role of contact allergy in the spectrum of adverse effects caused by cosmetics and toiletries.

Of 982 female clients of beauticians interviewed, 254 (25.9%) claimed to have experienced adverse reactions to cosmetics and toiletries in the preceding 5 years. Most reactions were caused by skin-care products (36.6%), followed by personal cleanliness products (29.5%), eye cosmetics (24.0%), deodorants and antiperspirants (12.6%), and facial make-up products (8.3%). 150 women were patch tested. In the European standard series, only a few positive reactions were seen to possible cosmetic allergens: fragrance mix (n = 3), wool alcohols (n = 3), formaldehyde (n = 2), balsam of Peru (n = 1), and colophony (n = 1). In the cosmetic series, only Kathon CG elicited positive patch test reactions (n = 3). Cosmetic allergy was considered to be "proven" in 3 patients (2.0%), and "possible" in 7 (4.7%). It is concluded that contact allergy is responsible for a minority (less than 10%) of all reactions to cosmetics and toiletries. The majority of reactions are due to irritation from personal cleanliness products such as soaps, shampoos, bath foams and from deodorants, or worsening of pre-existing dermatoses such as seborrhoeic dermatitis and acne.

Adolescent↗