Rare TBX4 mutations reveal excess lung muscle behind childhood pulmonary hypertension
For families of children with rare diseases, the search for answers can be lonely, desperate and frustrating. Such is the case with pulmonary hypertension, or PH. Defined as high blood pressure in the lungs, PH forces the heart to work too hard. It has many causes, is incurable and can develop at an

<p>For families of children with rare diseases, the search for answers can be lonely, desperate and frustrating. Such is the case with pulmonary hypertension, or PH. Defined as high blood pressure in the lungs, PH forces the heart to work too hard. It has many causes, is incurable and can develop at an</p>