A large randomized clinical trial found no association between selenium supplementation and reduced risk of coronary heart disease, stroke, or cardiovascular deaths. The study of 1,004 participants in low-selenium areas showed no difference in endpoints based on baseline selenium levels.
Primary care physicians can improve their ability to detect malignant skin lesions using simplified dermoscopy techniques, resulting in a 25% increase in sensitivity. The use of dermoscopy reduces the number of false negatives and improves patient outcomes.
Researchers at Thomas Jefferson University have discovered a nanoparticle that provides significant protection against radiation-induced damage, including hair loss and organ damage. The fullerene-based agent showed promise in reducing organ damage by half to two-thirds, even when given before or after radiation exposure.
A small study found that frequent tanners experience withdrawal symptoms when the 'feel-good' chemicals induced by ultraviolet light are blocked. The researchers tested whether exposure to UV light produces endorphins, brain chemicals linked to pain relief and euphoric feelings.
Researchers used a non-invasive imaging system to detect pigment changes and test the efficacy of topical N-acetyl glucosamine in reducing hyperpigmentation. The study found that N-acetyl glucosamine was more effective than placebo and, when combined with niacinamide, showed significant reductions in facial hyperpigmented spots.
A study published in Archives of Dermatology found that injecting polylactic acid can safely and effectively treat facial lipoatrophy in HIV patients, improving skin and fat thickness over 12 months. The treatment showed significant results, with increased dermal thickness persisting beyond the initial six injections.
Researchers discovered a key gene associated with psoriasis, which is the first genetic determinant identified in a large-scale study. The discovery could lead to new treatments for psoriasis without the risks of current therapies.
Women who used corrective cosmetics to cover severe facial blemishes reported lower health-related quality of life than those who didn't wear makeup. The study found no difference in quality of life based on the type or size of the blemish, but highlighted the psychological impact of facial marks on self-image and social functioning.
Two Phase 3 studies demonstrate high-level, sustained response to REMICADE maintenance therapy, achieving long-term clinical response in patients with moderate to severe psoriasis. Patients receiving scheduled REMICADE treatment showed rapid and marked improvement in psoriasis symptoms.
Researchers found that Aldara Cream reduced fine lines and wrinkles, improved skin texture, and enhanced color in prematurely aged skin. The cream showed significant improvements in 80% of the subjects, with 90% expressing strong approval.
Researchers have identified new molecular indicators of aging in the skin that could be used to evaluate anti-aging therapies. The biomarkers are changes to the DNA of cellular organelles called mitochondria and correlate with the aging process.
Researchers at the University of Rochester Medical Center have developed a fast-working biosensor that can detect infectious agents in minutes, not days. The technology uses a silicon chip and digital camera to analyze changes in surface patterns when target bacteria are present.
Researchers emphasize the need for proactive measures from pediatricians in early childhood to prevent skin cancer. Pediatricians can play a vital role by counseling children and their parents about UV protection, using sunscreen, and wearing protective clothing.
Counseling pediatricians on skin cancer prevention is crucial, as childhood sun exposure increases the risk of melanoma. UV light from natural sunlight and artificial sources like tanning beds also pose risks.
The five-year data demonstrate long-term efficacy and reliability of MAL-PDT for treating superficial and nodular basal cell carcinomas, with superior cosmesis compared to cryotherapy. The treatment was found to be non-inferior to surgery in relation to initial response rates, but with significantly better cosmetic outcomes.
The new alliance brings together researchers from Yale and BIPI to explore the intersection of cardiovascular and immunological diseases. Initial projects focus on cytokine pathways, calcium channels, and therapeutic potential in the cardiovascular system.
Researchers found that Langerhans cells in the skin inhibit or modulate immune responses, not just alerting the system to pathogens. This new understanding could lead to a better understanding of chronic inflammatory conditions like lupus and psoriasis.
Botox, a naturally occurring substance, is effective in treating hyperhidrosis, hand eczema, Hailey-Hailey disease, and anal fissure. It normalizes muscle activity, reduces pain and itch, and decreases the need for surgery.
Cancer cells hybridize with macrophages to exhibit traits such as migration and blood supply formation. The study provides new insights into metastasis, a process previously attributed to tumor cell fusion.
Researcher Harvey Arbesman links acne and dairy products to the presence of iodine in milk. Studies have shown significant iodine levels in various countries' dairy products. Iodine intake has been linked to acne exacerbation since the 1960s.
Researchers at Thomas Jefferson University discover fullerene nanoparticle reduces organ damage from ionizing radiation by one-half to two-thirds, outperforming current protection methods. The agent also provides specific protection for organs like the kidney and nervous system.
Researchers have created an animal model of an immunotherapy approach that uses tumor cells and 'danger' signals to stimulate tumor immunity. The discovery enables further understanding and development of the approach, which has shown promising results in cancer patients.
The European Infliximab for Psoriasis Efficacy and Safety Study (EXPRESS) found that 80% of patients achieved at least a 75% improvement in symptoms after ten weeks treatment with the drug. The study showed significant skin clearance and nail psoriasis response in moderate to severe psoriasis sufferers.
A study published in JAMA found that patients with melanoma are at a higher risk of developing multiple primary melanomas. The study identified characteristics of patients at risk and estimated the five-year risk of MPM to be significantly higher for those with positive family history or dysplastic nevi.
Vitamin D and calcium deficiencies may increase the risk of periodontitis due to inflammation and bone loss. Research suggests that obtaining adequate vitamin D through sunshine or fortified foods is crucial to prevent this.
Researchers at UT Southwestern Medical Center have developed a cell-based biosensor system that can scan thousands of compounds to identify those that activate dendritic cells, which play a crucial role in the immune system. The new screening technique is highly sensitive and cost- and time-efficient, allowing for rapid identification ...
Researchers tested various sunscreens and methods on volunteers from multiple countries to establish a standard method for determining IPF. However, the study found that high SPF sunscreens may not provide sufficient protection against immunosuppression, potentially increasing skin cancer risk.
A recent study by Dr. Brian Adams found that 85% of NCAA soccer players and cross-country runners did not use sunscreen during practice, despite being at high risk for sun-related skin cancer. The American Cancer Society estimates that most cases of nonmelanoma skin cancer diagnosed yearly in the US are sun-related.
Study finds that repetitive tanning behavior may be linked to a kind of addiction, similar to alcoholism or drug dependency. Researchers identified UVL tanning dependence in 53% of beachgoers, suggesting why educational interventions have been unsuccessful.
A study by researchers at the University of Michigan Health System found that patients learned more facts from educational videos than from their doctors during a clinic visit. However, the video was less effective in reducing anxiety and stress levels compared to face-to-face interactions with their doctors.
Chronic wounds like bedsores affect millions in US, causing widespread infections and limb amputations. Researchers found skin cells get stuck in healing process due to overabundance of c-myc, a molecule that suppresses cell migration and causes thickened layers around the wound.
Multiple short exposures to wet work can cause more dermatitis than single long exposures, emphasizing the need for preventive measures. Reducing frequent and intense exposure of hands to water, detergents, and soaps is crucial in preventing hand eczema.
A novel technique developed by Stanford researchers allows scientists to distinguish between possible cancer-causing genes and those that are harmless. Mutations in the PI3K gene were found to be a primary driver of melanoma, while a mutation in the B-Raf gene did not cause cancer despite being commonly associated with the disease.
A study by Michigan Medicine found that adults use over-the-counter hydrocortisone creams in limited and appropriate ways, with a 73% compliance rate. In children, hydrocortisone cream was used primarily for insect bites, rashes, eczema, and itchy skin, with 72% of use following recommended guidelines.
A study published in the Journal of Cosmetic Dermatology found that cosmetic-grade mineral oil is not comedogenic, contradicting previous assumptions. As a result, consumers should look for skin care products labeled as non-comedogenic rather than 'mineral oil-free'.
Barron and Monteiro-Riviere's project explores fullerene interactions with skin cells, aiming to develop new nano-biohybrid materials. The researchers will investigate physiochemical properties of fullerenes to predict uptake and activity.
Scientists at NIST and Johns Hopkins University have developed a new optical method that can image subsurface structures under skin using polarized light. The method minimizes unwanted light scattering and may eventually be used to produce more detailed images of deeper layers of skin for diagnosing various types of skin cancers.
Researchers discovered that targeting mutant B-Raf protein can prevent the spread of melanoma and halt tumor growth. Lowering mutant B-Raf activity reduced melanoma development in human cells, providing a potential breakthrough for treating this aggressive form of skin cancer.
Collagen VII protein fragment essential for skin cancer cells to break free and spread, Stanford researchers discover. This breakthrough offers hope for pre-emptive treatment of skin cancers in high-risk patients.
A Yale research group found that CTCL cells require antigenic stimuli delivered by Langerhans cells to replicate. The study identified cryptic self-antigens presented by LC to CTCL receptors, stimulating rapid division and regulatory T cell formation.
DermaVir induces HIV-specific immune reconstitution, eliminating need for daily injections. The vaccine has shown significant antiviral activity and minimal side effects compared to current treatments.
A randomized trial involving over 650 participants found that OTC acne treatments were as effective as oral antibiotic tablets. Benzoyl peroxide was identified as the cheapest and most cost-effective treatment, with a significant difference in cost-effectiveness between regimens.
A recent study suggests that Akt3 protein is key to melanoma's resistance to chemotherapy, promoting tumor cell survival and development in 43-60% of non-inherited melanomas. Lowering Akt3 activity can reduce tumor-creating potential and make cancer cells more susceptible to signals inducing apoptosis.
Researchers at Johns Hopkins Medicine found that stressed mice develop skin cancer faster than non-stressed mice. Stress-reducing programs like yoga and meditation may help individuals at high risk for skin cancer stay healthy longer.
Researchers expand the ABCD rule to recognize changing characteristics of early melanomas, especially nodular melanomas. The new guideline aims to improve detection and diagnosis of this aggressive form of skin cancer.
Researchers found that green tea polyphenols reduce levels of insulin-like growth factor-1 (IGF-1) in prostate tumor cells, leading to decreased cell survival and tumor growth. The study also showed that GTP inhibited the expression of proteins associated with metastasis and reduced vascular endothelial growth factor (VEGF) levels.
Researchers found a defect in the ATP2C1 gene causing type 2 mosaicism in Hailey-Hailey disease. Skin cells from patterned lesions possessed the mutant gene, while others had the normal chromosome.
Researchers found that laser resurfacing can improve the look of sun-damaged skin and reduce acne scars with nonablative laser treatment. Increasing volume of botulinum exotoxin A at lower concentrations affects a larger area, making it suitable for treating larger areas like the forehead.
Researchers developed a mouse model that replicates human adult onset alopecia areata, shedding light on the disease's complicated genetic basis involving multiple genes. The study provides insights into treating AA and other complex polygenic diseases.
Researchers at the University of Pittsburgh identified abnormal levels of protein erythrocyte-C4d in patients with lupus, showing high diagnostic sensitivity and specificity for the disease. This finding may lead to improved diagnosis and treatment options for patients with lupus.
A new study reveals that sanguinarine enhances protein production inducing cell death and restricts pro-proliferation proteins, potentially protecting against UV radiation-induced skin cancer. Topical application of sanguinarine with sunscreen may also be effective in preventing skin cancer.
Research finds that melanin in hair follicles can increase cell death in response to UV radiation, depending on its color. The study used mice with engineered pigmentation to demonstrate this effect, suggesting that people with darker skin may not be as vulnerable to skin cancer as those with fair skin.
Researchers discovered that MMP-1 operates as an extracellular molecular motor converting chemical energy into motion by breaking collagen bonds. This process contributes to tissue growth, development, and repair, and may even aid in cancerous invasion.
The article reports a record number of active medical residents (99,964) in the 2003-2004 academic year, with a notable increase in female graduates. Several specialties experienced a decline in male graduates, while others saw an increase in female graduates, reflecting a trend towards a more specialized and diverse medical workforce.
Diabetics are susceptible to prolonged inflammation due to infection, leading to cardiovascular disease and poor wound healing. Inhibiting excess TNF may reduce the tendency for prolonged inflammation.
Researchers at the University of Bonn have found a new effective therapy for psoriasis by blocking the division of epidermis cells. The treatment, which uses metalloproteinase inhibitors, has shown no toxic side effects and may provide a promising solution for the condition.
A new study has compared the efficacy of tacrolimus ointment and pimecrolimus cream in treating atopic dermatitis. The results show that tacrolimus ointment worked better for all severities of atopic dermatitis, including mild sufferers and severe patients. The six-week study involved 1,056 patients, aged 2 to 15, with mild to severe AD.
A national survey found that hyperhidrosis affects an estimated 7.8 million individuals in the US, with axillary hyperhidrosis being the most common form, particularly among working-age adults. Women are more likely to discuss their condition with healthcare professionals than men.
A new study links psoriasis to genetic variations on chromosomes 6 and 4, specifically the MHC region. This meta-analysis confirms previous findings and highlights a potential focus for future research.
Researchers at Newcastle University are developing a new type of sunscreen that protects against sun-induced DNA damage, a major cause of skin cancer and ageing. The company, DNAcare Systems, aims to introduce a DNA rating for all sunscreens to reduce skin cancer cases.