HEALTH NEWS

• How lifestyle-based interventions help manage PCOS
• Exercise improves brain function, possibly reducing dementia risk
• CDC report reveals COPD as the sixth leading cause of death in the U.S.
• Fewer than 1% of U.S. clinical drug trials enroll pregnant participants, study finds
• Work by economists suggests exposure to popular herbicide can cause low birthweight and early birth
• Biotin may shield brain from manganese-induced damage, study finds