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The use of soap for skin cleansing is common among the population. However, it is possible that it causes damage to skin cells and disrupts the skin barrier.

To determine the cytotoxic effect of soaps on in vitro-cultured keratinocytes and to correlate it with clinical irritation.

A survey was conducted to find out the most widely used commercial soaps and their number. Subsequently, their cytotoxicity was evaluated in human keratinocyte cultures using the resazurin assay. The soaps with the highest and lowest cytotoxicity were applied to the skin of healthy volunteers to assess their effect on the skin barrier using colorimetry and transepidermal water loss (TEWL) assays.

Of the analyzed soaps, 37 % were shown to be toxic to keratinocytes in vitro. The soap with the highest toxicity induced the highest rate of erythema and TEWL, in comparison with the least toxic soap and the vehicle used as the control solution.

Soaps marketed for skin cleansing can contain chemical ingredients that damage human keratinocytes and cause skin barrier subclinical irritation. Their use can worsen preexisting dermatoses, generate xerotic or irritant contact dermatitis, and cause atrophy and dermatoporosis.

Soaps marketed for skin cleansing can contain chemical ingredients that damage human keratinocytes and cause skin barrier subclinical irritation. Their use can worsen preexisting dermatoses, generate xerotic or irritant contact dermatitis, and cause atrophy and dermatoporosis.

Obesity, diabetes, hypertension and age have been pointed at as factors that influence on the progression of COVID-19; however, evidence for other conditions is inconclusive.

To identify which clinical characteristics are related to COVID-19 severity and to determine whether age acts a modifier of the relationship between cardio-metabolic comorbidities (CMC) and COVID-19 progression.

Data on ≥ 20-year-old confirmed cases (n = 159,017) were analyzed. Hospitalization, development of pneumonia, intubation requirement, intensive care unit admission and death were the dependent variables in Poisson regression models estimation, whereas the interaction between age and different CMCs were the independent variables.

Having CMCs, as well as other comorbidities, was directly related to COVID-19 progression, whereas chronic obstructive pulmonary disease was only related to an increase in the risk of dying. The risk for COVID-19 severity was lower as age was more advanced. Asthma and smoking were not risk factors for the progression of COVID-19.

In the Mexican population, the risk of COVID-19 progression associated with comorbidities was higher in young adults.

In the Mexican population, the risk of COVID-19 progression associated with comorbidities was higher in young adults.In recent years, the introduction of a series of biological drugs for the treatment of psoriasis has considerably increased the therapeutic armamentarium of doctors, and thus a strongly positive impact on the control of this condition has been achieved. With the purpose to provide the best recommendations for the use of these biological agents in patients with psoriasis, the Mexican group of psoriasis experts, PSOMEX, has developed recommendations in order to improve the understanding and therapeutic positioning of this type of medications.

Increased pulse pressure (IPP) is associated with an estimated glomerular filtration ≤ 60/mL/min/1.73 m

 ; thus, it can be useful as a diagnostic test to identify people with K/DOQI stage III-b chronic kidney disease (CKD).

To determine the usefulness of IPP as a diagnostic test for K/DOQI stage III-b CKD.

Diagnostic test study that included adult patients without comorbidities, registered in the Health Workers Cohort. The CKD-EPI formula was used to calculate glomerular filtration. Pulse pressure was determined by subtracting diastolic from systolic blood pressure. Sensitivity, specificity, positive predictive value, negative predictive value and prevalence were calculated using standard formulas. A ROC curve was generated to determine the area under the curve.

A total of 6,215 patients were included. An IPP ≥ 50 mmHg was observed to have a sensitivity of 74 %, specificity of 70 %, positive predictive value of 1 %, negative predictive value of 100 % and a prevalence of 1 %. The inflection point in the ROC curve to identify K/DOQI III-b CKD was 0.71.

An IPP ≥ 50 mmHg is useful as a diagnostic test to identify people with K/DOQI stage III-b CKD.

An IPP ≥ 50 mmHg is useful as a diagnostic test to identify people with K/DOQI stage III-b CKD.The analysis of three characters corresponding to different spaces and times shows the close link between literature and the history of medicine. On one hand, Don Quixote of La Mancha, who reflects the thought of the last years of the Renaissance and that has been assimilated in contemporary Mexico. On the other hand, Doctors Miguel Francisco Jiménez and Rita Levi Montalcini, who lived in the 19th and 20th centuries, respectively. Despite the years that separate these three personalities, many elements in common are observed that do not lose their validity the value that is given to health, ethics, tenacity and experience to attain successful results. All three characters refer to the medicine of their time, their achievements and the promotion of humanism, always inherent to medicine.A novel chapter in current medical settings is the promotion and attention of esthetic aspects rather than health issues by health professionals. The human aspiration related to the search for personal beauty has generated new scenarios in medical practice. The Committee on Ethics and Transparency in the Physician-Industry Relationship (CETREMI) of the National Academy of Medicine of Mexico has analyzed this phenomenon and has issued recommendations directed both to medical professionals and to producers and potential consumers of esthetic procedures.Medicine is characterized by the application of the scientific method through clinical judgment, by correct interpretation and use of the clinical course and/or natural history of the disease; its best description is observed in the architecture of clinical research. Through a temporal sequence, this model explains the phenomenon of causality with three sections baseline status, maneuver, and outcome. The baseline status assesses who the patient is, where does he come from, his general conditions, the diagnosis, stage and aggressiveness of the pathology, complications, previous therapies, socioeconomic-cultural level, habits, therapeutic indications or contraindications, and the expected evolution is anticipated. In the maneuver, risk or prognostic factors, specific or symptomatic treatment, and general measures can be evaluated. In the outcome, early and late evolution are monitored. click here The model also allows the causes of follow-up loss to be determined. Anticipating patient evolution by recognizing his condition, disease, and expected effect of medical decisions allows acting in advance, since waiting for the manifestations of the evolutionary process of disease results in detriment to the patient.