October 2023 in “TURKDERM” COVID-19 reduced dermatology visits by 30.4%, with more male patients and increased cases of psoriasis, bullous diseases, and melanoma.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
September 2016 in “Más dermatología” Postpartum hair loss usually stops within 4-6 months.
August 2015 in “Bangladesh Journal of Pharmacology” Eclipta alba has a genome size of 4.27 billion base pairs, and Aloe barbadensis has 4.42 billion base pairs.
August 2010 in “Oncology Times” Provenge extends prostate cancer survival by about 4 months.
January 2006 in “Actas Urológicas Españolas” Incidental prostate cancer was found in 4.89% of patients undergoing surgery for benign prostatic hyperplasia.
January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
24 citations
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May 1963 in “Archives of Dermatology” Most new moms had their hair grow back within 4-6 months after childbirth, and hair loss is likely due to hormonal changes.
15 citations
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January 2000 in “Japanese Heart Journal” A man developed heart problems after using a baldness treatment for 4 months, suggesting that people with heart issues should avoid this treatment.
6 citations
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January 2012 in “Hair transplant forum international” Best solution for storing hair grafts is saline with ATP at 4 degrees Celsius, but no definitive best method was confirmed.
1 citations
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December 2022 in “Pathogens” A stray cat with severe scabies recovered after 4 weeks of treatment.
1 citations
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April 2018 in “Медицинский совет” Minoxidil effectively treats early-stage androgenic alopecia with visible results in 4-6 months and minimal side effects.
July 2025 in “International Journal of Homoeopathic Sciences” Homeopathy helped an 8-year-old girl regrow her hair in 4 months.
November 2023 in “Ensaios e Ciência C Biológicas Agrárias e da Saúde” Optimal hair heat protectant spreadability is achieved with 4% shea butter and coconut oil, and 0.64% cetostearyl alcohol.
October 2023 in “Jurnal Ilmu Kesehatan Hewan” The kitten's skin condition improved significantly after 4 weeks of treatment.
August 2018 in “Journal of the American Academy of Dermatology” A new cosmetic cream reduced facial redness and skin temperature after 4 weeks of use.
35 citations
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September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.
19 citations
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January 2019 in “Molecular Medicine Reports” Store stem cells at 4°C in 10% human serum and use within 2-4 hours for best results.
4 citations
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September 2013 in “Journal of Plastic Surgery and Hand Surgery” A girl with a rare syndrome had successful hair loss treatment with no relapse after 4 years.
May 2015 in “Cancer research” After chemotherapy for early breast cancer, 33.4% of patients had long-term significant hair loss, with some hair regrowth over time, but treatments for hair loss were largely ineffective.
January 2015 in “British journal of medicine and medical research” A woman with severe hair loss due to systemic sclerosis regrew her hair in 4 months using a combination of treatments.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
Hair loss can happen after severe H1N1 flu but usually grows back in 4 months.
40 citations
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June 2009 in “Journal of Cutaneous Pathology” AGA patients have fewer hairs and smaller follicles; T:V ratio above 4:1 may indicate AGA.
21 citations
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September 2013 in “Journal of circadian rhythms” Intense exercise at night can delay the body's internal clock gene expression by 2 to 4 hours.
17 citations
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January 1997 in “Cell and Tissue Research” Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.
11 citations
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July 2008 in “Facial Plastic Surgery Clinics of North America” Hair restoration surgery redistributes existing hair to achieve a natural look, with visible regrowth in 3-4 months and rare complications, mostly aesthetic.
3 citations
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February 2014 in “Atlas of the Oral and Maxillofacial Surgery Clinics” New facelift techniques lead to less scarring and faster recovery, with high patient satisfaction after 4 years.
1 citations
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August 2023 in “Indian Journal of Plastic Surgery/Indian journal of plastic surgery” The Indian Journal of Plastic Surgery has achieved a Journal Impact Factor of 0.8 and improved its Scopus CiteScore to 1.4.