What is an accessory navicular? Also known as os naviculare or os tibiale externum, an accessory navicular is an extra bone on the inside of the navicular (the bone in the middle of the arch of the ...

Marfan syndrome is a rare genetic disorder of the connective tissue, affecting the skeleton, lungs, eyes, heart and blood vessels. The condition is caused by a defect in the gene that tells the body ...

Dr. Bernet has studied supplements containing animal thyroid tissue and animal adrenal gland tissue. “They’re broken down in your stomach and never get to your bloodstream,” he says.