31 citations
,
September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
22 citations
,
June 2013 in “Australasian Journal of Dermatology” Early stage bald spots are linked to skin inflammation and damage to the upper part of the hair follicle.
7 citations
,
October 2022 in “Journal of Mind and Medical Sciences” COVID-19 can worsen upper gastrointestinal bleeding, requiring quick and varied treatments.
4 citations
,
January 2015 in “Dermatology Online Journal” Smoking can cause yellowing of upper lip hair.
1 citations
,
October 2023 in “Heliyon” An infant with Hutchinson-Gilford Progeria Syndrome had successful surgery to fix breathing issues caused by a new genetic mutation.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.
A wavy two-layer closure in hair transplants makes scars nearly invisible for most patients.
October 2012 in “The American Journal of Gastroenterology” A hairball in the stomach can cause serious issues and may need surgery and psychiatric care.
13 citations
,
October 2002 in “Journal of Investigative Dermatology” The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.
February 2024 in “World journal of clinical cases” A young woman had surgery to remove a large hairball that blocked her intestines and then got psychiatric help.
12 citations
,
May 2019 in “Archives of Plastic Surgery” Natural lips are perceived as more attractive, successful, and healthy than augmented lips.
9 citations
,
March 2019 in “Journal of cosmetic dermatology” Different treatments can make an aging upper lip look younger and better proportioned.
8 citations
,
August 2017 in “Skin appendage disorders” Red dots on the upper chest may be an early sign of certain types of hair loss.
3 citations
,
October 2021 in “Cureus” Smoking can cause yellow discoloration of upper lip hair and nails.
2 citations
,
October 2019 in “Minia Journal of Medical Research” UTIs are common in Upper Egypt, with many bacteria resistant to multiple drugs, highlighting the need for better treatment strategies.
August 2025 in “Journal of Cosmetic Dermatology” Hairline transplants improve forehead appearance and satisfaction in East Asian women.
June 2025 in “General medicine and Clinical Practice” Lifestyle changes improve symptoms and fertility in hyper-androgenic women.
April 2023 in “Journal of Investigative Dermatology” EGFR helps protect hair follicles from bacterial infections.
12 citations
,
June 2009 in “Journal of Cosmetic Dermatology” Loose Anagen Hair syndrome occurs in dark-skinned children and often improves on its own.
9 citations
,
March 2018 in “International Journal of Cancer” Men with frontal male pattern baldness may have a higher risk of gastric cancer.
2 citations
,
February 2025 in “Journal of Investigative Dermatology” Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
January 2016 in “Japanese Journal of Oral & Maxillofacial Surgery” A benign hair follicle tumor caused upper lip swelling, was removed, and did not return.
356 citations
,
December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
67 citations
,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
4 citations
,
December 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Overactive Wnt signaling in mouse skin stem cells causes acne-like cysts and shrinking oil glands, which some treatments can partially fix.
1 citations
,
December 2023 in “Skin Research and Technology” Combining hair follicle transplantation and a 308 nm excimer laser effectively treats perioral vitiligo without unwanted hair growth.
1 citations
,
October 2020 in “Research Square (Research Square)” Abnormal Wnt signaling in hair follicle stem cells can lead to acne-like cysts.
July 2019 in “Dermatologic Surgery” 47 citations
,
August 2012 in “Cell Cycle” Stem cells in hair follicles can become neurons and other cells, especially in the upper part, useful for nerve repair.