Prostate Cancer Screening Decisions Beyond the PSA Debate
Blood and imaging tests can distinguish cancers requiring treatment from those safe to monitor.
Suki Nakamura
Section
When to Test
7 stories in When to Test.
When Vitamin D Testing Is and Is Not Warranted
Randomized trials showed vitamin D supplements don't prevent disease in healthy adults.
Rafael Treviño-Garza
Cortisol Testing for Fatigue and Stress Without an Adrenal Diagnosis
A salivary cortisol curve reveals stress-driven HPA dysfunction that single blood tests miss.
Suki Nakamura
Liquid Biopsy and Multi-Cancer Early Detection Tests for Low-Risk Adults
A blood test that detects multiple cancers struggles to catch early-stage disease.
Miriam Osei-Bonsu
Thyroid Testing Beyond TSH in Subclinical Hypothyroidism
Elevated TSH alone can mislead; free T4 and antibody testing reveal what's truly happening.
Rafael Treviño-Garza
Whole-Body MRI Screening for Asymptomatic Adults
Many findings turn out benign, raising concerns about harm from unnecessary follow-up.
Rafael Treviño-Garza
How Often to Repeat Common Blood Tests in Healthy Adults
Your annual blood test doesn't need to happen every year for most healthy adults.
Suki Nakamura