April 2016 in “Journal of Investigative Dermatology” Tumor cell adhesion is linked to higher risk of SLN metastasis and melanoma recurrence, and a model including these factors predicts these outcomes better than one with just clinical data.
April 2016 in “Journal of Investigative Dermatology” Male pattern baldness is linked to a higher risk of certain skin cancers, especially on the scalp.
Early balding may be a sign of future prostate problems.
February 2012 in “Community oncology” Finasteride for hair loss may increase the risk of certain cancers and has side effects; better regulation and education on its use are needed.
October 2011 in “Iranian Journal of Dermatology” Men with male pattern baldness may have a higher risk of heart disease due to increased levels of a specific lipid in their blood.
September 2010 in “European Urology Supplements” Serum triglyceride levels are not linked to prostate cancer risk.
January 2008 in “Humana Press eBooks” Women with PCOS have higher risks of heart disease, type 2 diabetes, and endometrial cancer.
June 2006 in “American Journal of Epidemiology” Higher BMI is linked to a lower risk of non-aggressive prostate cancer and a higher risk of aggressive prostate cancer.
March 2004 in “Clinical Medicine” Playing computer games for a long time could increase the risk of deep vein clots in kids.
December 2021 in “Biomarkers” Men with early baldness have similar heart risk factors as others, but certain proteins are linked to higher heart disease risk.
October 2021 in “QJM: An International Journal of Medicine” Avoiding smoking, stress, obesity, and poor diet may help reduce hair loss in young Egyptian males.
June 2021 in “The American Journal of the Medical Sciences” Androgenetic alopecia is linked to a higher risk of coronary heart disease due to certain genetic factors and high homocysteine levels.
February 2021 in “The Brown University Psychopharmacology Update” Finasteride use in young people may increase risk of suicidal thoughts and mental health issues.
January 2018 in “Przegla̧d dermatologiczny” Hair loss may increase heart disease risk.
Finasteride and dutasteride might lower melanoma risk.
Men with male pattern baldness are more likely to have heart disease risk factors, so they should get heart screenings early.
Hair loss at the top of the head is linked to prostate cancer, but other types of hair loss are not.
May 2012 in “PLOS Genetics” 
April 2012 in “The Journal of Urology” Early baldness increases prostate cancer risk, radiotherapy and surgery have similar second cancer rates, and ALA may reduce prostate cancer risk.
4809 citations,
January 2004 in “Fertility and Sterility” The 2003 consensus updated PCOS diagnosis criteria and highlighted increased risks of diabetes and heart disease for those affected.
4025 citations,
December 2003 in “Human Reproduction” The 2003 consensus updated PCOS diagnosis criteria and linked PCOS to higher risks of diabetes and heart problems, recommending lifestyle changes to lower these risks.
176 citations,
June 2017 in “Sexual Medicine Reviews” Erectile dysfunction is increasingly common in men under 40, with many physical and psychological causes, and various treatment options available.
155 citations,
December 2003 in “British Journal of Dermatology” Hair loss increases with age; alcohol raises risk, more female partners lowers it.
103 citations,
October 2003 in “Birth Defects Research” Both genes and environmental factors like chemicals may contribute to the increase in hypospadias, but the exact causes are still unclear.
76 citations,
November 2010 in “Journal of The American Academy of Dermatology” Some African American women's central scalp hair loss is linked to genetics and past fungal scalp infections, with more research needed on other causes.
57 citations,
February 2007 in “International Journal of Cancer” A49T gene variant linked to higher prostate cancer risk, lower hormone levels, and slightly reduced balding risk.
47 citations,
March 2017 in “Clinical, cosmetic and investigational dermatology” Certain skin conditions may indicate or increase the risk of Parkinson's disease.
45 citations,
February 2012 Obese women with PCOS are more likely to have fatty liver disease.
40 citations,
September 2019 in “Molecular and Cellular Endocrinology” Group a wide range of chemicals, not just phthalates, for assessing risks to male reproductive health.
36 citations,
July 2007 in “Journal of Investigative Dermatology” Certain HLA class II alleles increase or decrease the risk of alopecia areata.