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Association of Wearable Device-Measured Vigorous Intermittent Lifestyle Physical Activity with Mortality

This prospective cohort study analyzed data from 25,241 non-exercising adults (mean age 61.8 years) in the UK Biobank to assess the impact of vigorous intermittent lifestyle physical activity (VILPA) on mortality. VILPA, characterized by brief bouts (1–2 minutes) of vigorous activity during daily life, was measured using wearable accelerometers. Over

June 26, 2025 No Comments

Can a bout of exercise harm the human heart?

This commentary discusses a study by Stewart et al. (2016) that examined the effects of acute endurance exercise on cardiac function in recreationally active men. Participants performed two cycling trials: 90 minutes at heavy intensity and 120 minutes at moderate intensity. Findings indicated transient reductions in left and right ventricular

June 26, 2025 No Comments

Compact Arterial Monitoring Device Use in Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA): A Simple Validation Study in Swine

This 2024 study evaluated the accuracy of a compact, disposable pressure monitoring device (Compass™) used during partial REBOA procedures in a swine model. Four Yorkshire pigs underwent induced hemorrhagic shock followed by REBOA with the Compass™ transducer. Mean arterial pressures recorded by the device were compared to standard arterial line

June 26, 2025 No Comments

Weight regain and cardiometabolic effects after withdrawal of semaglutide: The STEP 1 trial extension

This 2022 extension of the STEP 1 trial assessed the effects of discontinuing semaglutide 2.4 mg weekly in adults with obesity. After 68 weeks of treatment, participants had lost an average of 17.3% of their body weight. One year post-withdrawal, they regained approximately two-thirds of this weight loss, resulting in

June 26, 2025 No Comments

Bone Health After Exercise Alone, GLP-1 Receptor Agonist Treatment, or Combination Treatment: A Secondary Analysis of a Randomized Clinical Trial

This 2024 secondary analysis of a randomized clinical trial examined the effects of exercise, GLP-1 receptor agonist (liraglutide) treatment, and their combination on bone health in adults with obesity. After an initial 8-week low-calorie diet, 195 participants were randomized into four groups: exercise alone, liraglutide alone, combination of both, or

June 26, 2025 No Comments

Drug-induced noninfectious myocarditis: a disproportionality analysis of the FAERS database

This 2025 study conducted a disproportionality analysis using the FDA Adverse Event Reporting System (FAERS) to identify drugs associated with noninfectious myocarditis. Analyzing data from 2004 to 2024, the researchers found 10,763 reports of noninfectious myocarditis. The top five drugs with the highest reporting odds ratios (RORs) were phendimetrazine tartrate

June 26, 2025 No Comments

A double-blind, parallel-group, placebo-controlled, multicentre study of acetyl L-carnitine in the symptomatic treatment of antiretroviral toxic neuropathy in patients with HIV-1 infection

This randomized controlled trial evaluated the efficacy of acetyl-L-carnitine (ALC) in treating antiretroviral toxic neuropathy in HIV-1 patients through a multicenter, double-blind, placebo-controlled design. The study found that ALC significantly improved neuropathic symptoms compared to placebo, suggesting its potential as a therapeutic option to enhance quality of life and treatment

A Nutritional Formulation for Cognitive Performance in Mild Cognitive Impairment: A Placebo-Controlled Trial with an Open-Label Extension

This randomized controlled trial evaluated the effects of a nutraceutical formulation (NF) containing folate, alpha-tocopherol, B12, S-adenosyl methionine, N-acetyl cysteine, and acetyl-L-carnitine on cognitive performance in individuals with mild cognitive impairment (MCI). Thirty-four participants received either the NF or a placebo for six months, followed by a six-month open-label extension

Glutathione as a Skin Whitening Agent: Facts, Myths, Evidence and Controversies

This review examines the role of glutathione as a skin-lightening agent, focusing on its mechanism of action, efficacy, and safety. Glutathione inhibits tyrosinase, shifting melanin production from eumelanin (darker pigment) to pheomelanin (lighter pigment), and is available in oral, topical, and intravenous forms. While three randomized controlled trials suggest that

NAD⁺ and Sirtuins in Aging and Disease

This review explores the role of nicotinamide adenine dinucleotide (NAD⁺) and sirtuins in aging and disease, highlighting how declining NAD⁺ levels impair nuclear and mitochondrial function, contributing to age-related conditions such as neurodegenerative diseases. NAD⁺ is a critical coenzyme in redox reactions and regulates enzymes involved in metabolism, circadian rhythms,

Anti-aging protective effect of L-carnitine as clinical agent in regenerative medicine through increasing telomerase activity and change in the hTERT promoter CpG island methylation status of adipose tissue-derived mesenchymal stem cells

This in vitro study explored the anti-aging effects of L-carnitine (LC) on adipose tissue-derived mesenchymal stem cells (ADSCs), demonstrating that LC significantly increased telomerase activity, reduced cellular senescence, and altered the methylation status of CpG islands in the hTERT promoter, which regulates telomerase expression. These findings suggest LC could enhance

A Review of the Use of Biotin for Hair Loss

This systematic review evaluated the efficacy of biotin supplementation for hair and nail growth, analyzing 18 case reports involving patients with conditions such as biotinidase deficiency, uncombable hair syndrome, and brittle nail syndrome. All cases showed clinical improvement with biotin supplementation, but there is no strong evidence supporting its routine

Th9 cells in allergic diseases: A role for the microbiota?

This review explores the role of T helper 9 (Th9) cells in allergic diseases and how the microbiota influences Th9 activity. Certain microbes, such as Staphylococcus aureus and Candida albicans, can stimulate Th9 responses, exacerbating allergic inflammation, while microbial and dietary metabolites like retinoic acid, butyrate, and vitamin D may

Possible links between intestinal permeability and food processing: A potential therapeutic niche for glutamine

This review explores the link between modern food processing and increased intestinal permeability ("leaky gut"), highlighting how food additives such as emulsifiers and organic solvents can disrupt tight junctions, contributing to conditions like inflammatory bowel disease, celiac disease, and food allergies. It discusses glutamine’s potential therapeutic role in restoring gut

A prospective, randomized, placebo-controlled, double-blinded, and split-face clinical study on LED phototherapy for skin rejuvenation: clinical, profilometric, histologic, ultrastructural, and biochemical evaluations and comparison of three different treatment settings

This randomized controlled trial examined the effects of LED phototherapy on skin rejuvenation in 76 patients with facial wrinkles, comparing 830 nm LED alone, 633 nm LED alone, a combination of both, and a placebo. Treatments were applied twice weekly for four weeks, with assessments including clinical evaluations, profilometry, histology,