14 citations,
July 2017 in “Monatshefte für Chemie - Chemical Monthly” Analytical chemistry helps understand the makeup and use of ancient medicines, but it's complex and challenging.
47 citations,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
23 citations,
October 1988 in “Clinics in Dermatology” Minoxidil was first made for high blood pressure, but it was later found to help hair growth.
16 citations,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
14 citations,
October 1977 in “The Lancet”