4 citations,
August 2021 in “Frontiers in Cell and Developmental Biology” Stress can cause hair loss by affecting nerve-related hair growth, and noradrenaline might help prevent this.
April 2018 in “Journal of Investigative Dermatology” Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.
June 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Stress causes hair graying by overactivating nerves that deplete color-giving stem cells.
Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
61 citations,
June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.