Interesting Things with JC #490: "Heart Disease and Gray Hair" - An observational study found that the amount of gray hair in adult men is associated with an increased risk of heart disease.

The degree of hair graying as an independent risk marker for coronary artery disease, a CT coronary angiography study

• Amr Abdel Aziz ElFaramawy, Irini Samuel Hanna, Reham Mohamed Darweesh, Ahmed Shehata Ismail, Hossam Ibrahim Kandil, The degree of hair graying as an independent risk marker for coronary artery disease, a CT coronary angiography study, The Egyptian Heart Journal, Volume 70, Issue 1, 2018, Pages 15-19, ISSN 1110-2608, https://doi.org/10.1016/j.ehj.2017.07.001