98 citations,
July 1968 in “Archives of Dermatology” Human sebum can cause acne by clogging pores.
7 citations,
May 1996 in “PubMed” Milia en plaque can be caused by skin damage, tumors, or external factors.
2 citations,
October 2010 in “Journal of dermatological treatment” External treatments can change hair growth patterns in nude mice.
1 citations,
December 2020 in “International journal of molecular sciences” External factors can cause skin cancer cells that usually don't spread to grow and form tumors in mice.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Hair analysis can be unreliable due to external contamination and varying drug concentrations.
21 citations,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
64 citations,
October 2018 in “Thérapie” Enriching the French health care database with external data greatly improved its usefulness.
42 citations,
February 2016 in “Science” The document concludes that both internal stem cell factors and external influences like the environment and hormones affect hair loss and aging, with potential treatments focusing on these areas.
42 citations,
January 2014 in “Cold Spring Harbor Perspectives in Medicine” Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.
22 citations,
September 2018 in “Medical Clinics of North America” Facial aging is caused by natural processes and external factors, and can be managed with preventative measures and a variety of treatments tailored to individual needs.
16 citations,
February 1992 in “Journal of Consumer Marketing” The authors suggest systematically sourcing new product ideas from various internal and external places to improve innovation.
January 2008 in “Shanghai Journal of Traditional Chinese Medicine” Androgenic alopecia can be treated by identifying specific syndromes and using combined internal and external treatments.
November 2020 in “Journal of The American Academy of Dermatology” Ankle braces reduce motion, while external focus improves hip and knee movements.
October 2022 in “Amplla Editora eBooks” Pre-natal, internal, and external factors may contribute to the development of Autism Spectrum Disorder (ASD).
January 2019 in “Springer eBooks” Acne can appear or persist in adulthood due to hormonal changes, external factors, or substance use, and requires appropriate treatment.
229 citations,
March 2001 in “European journal of endocrinology” Testosterone levels influence male behaviors and physical traits, but this relationship is complex and influenced by both internal and external factors.
132 citations,
June 2016 in “Cell and Tissue Research” The right cells and signals can potentially lead to scarless wound healing, with a mix of natural and external wound healing controllers possibly being the best way to achieve this.
4 citations,
January 2015 in “Journal of Mid-life Health” The most common skin problems in perimenopausal women in South India are infections, eczemas, and acne, possibly worsened by external factors and lifestyle practices.
67 citations,
February 1997 in “Teratology” Finasteride, when given in high oral doses to pregnant monkeys, caused genital abnormalities in male fetuses, but not in female fetuses or those exposed to intravenous finasteride.
54 citations,
July 1967 in “Science” Decomposed tritiated thymidine is less accurate for DNA tracing, and hair changes can indicate malnutrition.
53 citations,
January 1986 in “Endocrinology” Blocking a specific enzyme in male rat fetuses leads to the development of nipples and feminized genitalia.
48 citations,
January 2014 in “Dermatology Online Journal” New treatments for Dissecting cellulitis show promise, but more research is needed to understand the disease and establish a standard treatment plan.
47 citations,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
46 citations,
January 1996 in “Journal of The American Academy of Dermatology” People with late-stage HIV-1 often experience a specific type of hair loss linked to multiple factors, including nutritional issues and immune responses.
39 citations,
April 2018 in “Hormones” No consistent link between genotype and phenotype in 5-α-Reductase type 2 deficiency.
25 citations,
July 2008 in “British Journal of Dermatology” CD10 and CD34 levels change during hair development and different hair growth stages, which could be important for hair regeneration treatments.
22 citations,
October 2021 in “Cold Spring Harbor Perspectives in Biology” Three types of stem cells help maintain and repair skin, responding to health and environmental changes.
14 citations,
March 2007 in “Pediatric pulmonology” Inhaled steroids in children may cause excessive hair growth and not always go away after stopping the medication.
13 citations,
June 2019 in “Case reports in dermatology” Fat injections in the face can cause hair loss.
12 citations,
October 1954 in “Textile Research Journal” Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.