THURSDAY, Jan. 14, 2021 (HealthDay News) — Inhaled treprostinil improves exercise capacity in patients with pulmonary hypertension due to interstitial lung disease, according to a study published online Jan. 13 in the New England Journal of Medicine. Aaron Waxman, M.D., Ph.D., from Brigham and Women’s Hospital in Boston, and colleagues enrolled patients with interstitial lung...