Anxiety disordersExperiencing occasional anxiety is a normal part of life. However, people with anxiety disorders frequently have intense, excessive and...
Sexually transmitted diseases (STDs)Overview Sexually transmitted diseases (STDs) — or sexually transmitted infections (STIs) — are generally acquired by sexual contact. The...
COPDChronic obstructive pulmonary disease (COPD) is a chronic inflammatory lung disease that causes obstructed airflow from the lungs....