Can testosterone gel improve memory, correct anemia, increase bone density or prevent the growth of coronary artery plaque in older men with low testosterone levels? Four new studies in JAMA and JAMA Internal Medicine found improvement in some of these measures.

Articles discussed in this episode:

• Testosterone Treatment and Coronary Artery Plaque Volume in Older Men With Low Testosterone

• Testosterone Treatment and Cognitive Function in Older Men With Low Testosterone and Age-Associated Memory Impairment

• Effect of Testosterone Treatment on Volumetric Bone Density and Strength in Older Men With Low Testosterone: A Controlled Clinical Trial

• Association of Testosterone Levels With Anemia in Older Men: A Controlled Clinical Trial