Approximately 5% of all primary care visits are related to knee pain. Osteoarthritis (OA), patellofemoral pain syndrome, and meniscal tears are among the most common causes of knee pain. JAMA Senior Editor Karen Lasser, MD, MPH, speaks with David Hunter, MD, PhD, from the University of Sydney, about common causes and first-line treatment of knee pain.

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• Evaluation and Treatment of Knee Pain
• Clinical Examination for Diagnosing Meniscal Tears

Hyperthyroidism affects 2.5% of adults worldwide and, if untreated, is associated with osteoporosis, heart rhythm abnormalities, heart failure, and increased mortality. JAMA Associate Editor Anne Cappola, MD, speaks with Elizabeth N. Pearce, MD, MSc, of Boston University, about the most common causes, symptoms, and first-line treatments for hyperthyroidism.

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• Hyperthyroidism

Preexposure prophylaxis (PrEP) and postexposure prophylaxis have recently gotten attention as ways to prevent sexually transmitted infections. JAMA Deputy Editor Preeti Malani, MD, MSJ, discusses postexposure prophylaxis using doxycycline (doxyPEP), with Kenneth H. Mayer, MD, professor of medicine and global health at Harvard and medical research director at Fenway Health in Boston.

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• Doxycycline Postexposure Prophylaxis and Sexually Transmitted Infections

Vasomotor symptoms are common during menopause and may have substantial negative effects on quality of life. JAMA Senior Editor Linda Brubaker, MD, MS, discusses nonhormonal therapies for menopausal vasomotor symptoms with Susan D. Reed, MD, MPH, MS, professor emeritus at the University of Washington and president and CEO of The North American Menopause Society.

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• Nonhormonal Therapies for Menopausal Vasomotor Symptoms