Congenital factor VII deficiency is a rare, autosomal recessive disorder with an estimated prevalence of 1 in 1,000,000. We ...

Medically reviewed by Kierra Brown, RD Biotin deficiency can cause thinning hair and total loss of body hair. Pregnant people ...

Rian McCann is almost seven years old. Her parents, Danielle and Frank described her as kind, sassy, smart and above all, resilient. Rian was born with CDKL5 Deficiency Disorder — which prevents her ...