TNF and familial hypercholesterolemia: In addition, several participants were taking medication: nine (9.4%) regularly took T4 (levothyroxine sodium), two (2.1%) antidepressants, one (1.0%) antihypertensives, one (1.0%) drugs for hypercholesterolemia, one (1.0%) an anti-TNFα drug, and one (1.0%) contraceptives.