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This case study details a 31-year-old woman diagnosed with secondary syphilis that presented with chronic headaches and hair loss, ultimately attributed to neurosyphilis and alopecia syphilitica.

This study found that photoacoustic imaging can effectively measure follicle density and angles, even when follicles are not visible to the eye, providing a promising alternative to traditional photographic examination.

This review discusses neural mechanisms involved in hair growth control, focusing on piloneural interactions, but reports no clinical findings; the authors suggest further exploration for managing hair growth disorders.

This case study concluded that weight loss is the initial recommended approach for treating secondary hypogonadism, as shown by improvements in testosterone levels and symptoms in an obese 37-year-old patient.

This study found that altering cell culture conditions to form three-dimensional papilla spheroids can restore the ability of human dermal papilla cells to induce hair growth in adult skin.

This review discusses the role of nanoparticles in cancer diagnosis and treatment and outlines their potential to improve outcomes by reducing systemic toxicity and overcoming multidrug resistance, though it reports no new clinical results.

This study found that rat whisker follicle stem cells can be expanded in culture and transplanted to form functional hair follicles, demonstrating their multipotency and potential for regenerative medicine.

This study found that light stimulation of intrinsically photosensitive retinal ganglion cells in the eyes can activate hair follicle stem cells through a neural circuit involving the sympathetic nervous system.

This study observed that aloe vera serum was comparable to minoxidil in promoting hair growth over 21 days but had no effect on sun protection.

This paper discusses the variability in COVID-19 susceptibility and severity, emphasizing factors like biological differences and suggesting potential precision medicine approaches, but it reports no new clinical results.

This review discusses the role of immune privilege collapse in the pathogenesis of alopecia areata, emphasizing the potential for therapeutic manipulation of hair bulb immune privilege to offer new treatment options, and reports no new results.

This review discusses recent advancements in hair cosmetic agents, including topical growth stimulants and anti-aging compounds, emphasizing molecular technology's role in understanding hair growth and aging; it does not report new results.

This study analyzed deep learning's application to automate hair density measurement in images and found that YOLOv4 had the best performance among tested algorithms, with a mean average precision of 58.67.

The eco-friendly hair oil promotes healthy hair growth and is safe and effective.

This review highlights capsaicin's chemical properties, natural sources, and its potential benefits such as antioxidant, anti-inflammatory, and analgesic effects, while also noting its challenges in food applications regarding dosage, taste perception, and regulatory compliance.

In this study, researchers evaluated various machine learning models for predicting type 2 diabetes risk, finding that Random Forest and K-NN models performed best in terms of precision, recall, accuracy, and other metrics using common symptoms as features.

In this review, recent advances in long-acting microneedle-based transdermal drug delivery systems are outlined, highlighting biodegradable polymers like PLA, PLGA, and PCL for sustained release and discussing challenges in clinical translation such as consistency in manufacturing and validating long-term efficacy and safety.

In this study, researchers found that hair follicle orientation in Fz6 −/− mice is disrupted and that hair may reorient itself over time through a self-organized process.

This case report describes a 69-year-old man diagnosed with stage 3 acute kidney injury secondary to new IgG kappa light chain multiple myeloma, where treatment with bortezomib-based therapy showed potential for kidney function salvage.

This study suggests that hair follicle stem cells from transgenic mice can improve nerve regeneration and function, highlighting their potential as an autologous source for regenerative medicine.

This study used cryoelectron microscopy to unveil the structure of LPA-bound human LPAR6, revealing unique ligand binding and recognition modes distinct from LPAR1, which may aid in designing targeted compounds for hair loss and cancer.

This study found that the circadian clock in mouse skin regulates cell proliferation and affects sensitivity to UVB-induced DNA damage, with potential implications for understanding human skin cancer risk.

This review discusses the autoimmune nature of alopecia areata, potential therapeutic targets, and highlights the need for further studies on immunomodulatory treatments and genetic factors, but it reports no new clinical results.

This case report highlights that patients with long-standing alopecia areata treated with oral JAK inhibitors experienced unexpected hair regrowth patterns resembling male-pattern baldness.

This study estimates that approximately 230,000 tactile afferent fibers innervate the human body's skin, with varying densities across different regions correlating with spatial acuity and hair follicle density.

This study estimates that young adults have about 230,000 tactile afferent fibers innervating their skin, with density varying by region and decreasing with age.

This review discusses the potential link between early postnatal allopregnanolone levels and vulnerability to drug abuse in adulthood, noting a need for more in-depth studies to confirm this relationship.

This review discusses how circadian clocks may influence diverse physiological functions beyond their established role in daily timekeeping, but it reports no new experimental findings.

This review discusses the potential therapeutic effects of targeting the endocannabinoid system for chemotherapy-induced peripheral neuropathy and reports no new clinical results, highlighting the need for ongoing research.

New skin substitutes for treating severe burns and chronic wounds are being developed, but a permanent solution for deep wounds is not yet available commercially.