Peptides are not automatically experimental. Insulin, GLP-1 medicines, teriparatide and many other peptide drugs are established medical therapies. But many peptides promoted for longevity or anti-aging still lack robust human evidence.

STI testing after a new sexual partner is not simply one “full panel” done on one day. Different infections require different samples and have different window periods. Learn what to test, when to test, and when repeat testing may be needed.

Testosterone gradually changes with age, but true testosterone deficiency is a medical diagnosis—not simply a number or a symptom. Learn how low testosterone differs from normal aging and how treatment is selected.

Continuous glucose monitoring provides detailed glucose data throughout the day. In healthy men, the challenge is not collecting more data—but knowing which patterns are clinically meaningful and which may simply represent normal physiology

Not every elevated PSA needs an MRI immediately. A urologist usually reviews PSA trend, prostate size, PSA density, examination findings and individual risk before deciding whether MRI is the right next step.