Posts in Internal Medicine

A pregnant woman in an oatmeal sweater cradling her abdomen with both hands beside a sunlit curtain, illustrating Group B strep in pregnancy.

Colonized, Not Infected: Group B Strep in Pregnancy and the Protocol Built Around It

Key Takeaways: The single most useful sentence about Group B strep in pregnancy is that it describes a colonization state, not an infection. Streptococcus agalactiae[…]

Five open hands of different skin tones held palm-up side by side in dappled sunlight, accompanying an article on melanin and vitamin D testing.

Reading the Number in Context: Melanin and Vitamin D Testing

Key Takeaways: July is UV Safety Month, which makes it a good moment to examine the one common lab test where sunlight, skin biology, and[…]

A small unlabeled clear glass vial with a silver screw cap on a steel counter by a bright window, illustrating an article on compounded peptides BPC-157 and KPV.

An FDA Panel Just Backed BPC-157 and KPV. The Evidence Hasn’t Caught Up.

Key Takeaways: On July 23, 2026, an FDA advisory panel did something it rarely does: it overruled its own agency’s scientists. The Pharmacy Compounding Advisory[…]

A half-emptied blister pack of tablets resting on a printed DNA sequencing trace, dramatic side light on the foil, illustrating antidepressant pharmacogenomics.

The Dose That Never Landed: Antidepressant Pharmacogenomics and the Enzymes That Decide

Key Takeaways: July is Minority Mental Health Month, and antidepressant pharmacogenomics deserves a place in that conversation for a strictly biochemical reason. Two liver enzymes,[…]

A rusted iron chain coiled in a shallow pool of rainwater on grey flagstones, illustrating the unchecked iron accumulation of hereditary hemochromatosis.

The Door That Will Not Close: Hepcidin, the HFE Gene, and Hereditary Hemochromatosis

Key Takeaways: Iron has exactly one way out of the cells that absorb it. That exit is ferroportin, the sole known cellular iron exporter, and[…]

An older person's hands resting open and unclenched on a linen tablecloth beside a ceramic cup in soft morning light, accompanying an article on vagus nerve stimulation for rheumatoid arthritis.

The Reflex That Turns Down Inflammation: A Pivotal Trial of Vagus Nerve Stimulation in Rheumatoid Arthritis

Key Takeaways: Vagus nerve stimulation for rheumatoid arthritis sounds implausible until you follow the anatomy. The nervous system does not merely register inflammation; it regulates[…]

An amber prescription vial with a blank white label on a sunlit wooden windowsill, plain white tablets scattered beside it in a hard shaft of light, illustrating how photosensitizing medications turn ordinary sun into a burn.

The Sunburn in Your Medicine Cabinet: How Photosensitizing Medications Amplify Ordinary Sunlight

Key Takeaways: July is UV Safety Month, and a meaningful share of the burn risk is sitting in the medicine cabinet rather than in the[…]

A female doctor and an older male patient reviewing a PSA screening report together at a wooden desk.

Reading the PSA Trend, Not the Number: A Smarter Approach to Prostate Screening

Key Takeaways: June is Men’s Health Month, and PSA screening — the prostate-specific antigen blood test — remains the most argued-about topic in primary care.[…]

A glowing anatomical heart with intricate, illuminated capillary networks in red and amber tones.

When the Arteries Look Clean: Microvascular Angina and Ischemia With No Obstructive Coronary Disease

Patients sometimes present with classic exertional chest pain, abnormal stress testing, or even troponin-positive events, and then return from coronary angiography with the news that[…]

A woman stands beside a cluttered desk near a window, resting her hand on a closed laptop and taking a deep breath with her eyes closed.

The Tax of Always-On Stress: Allostatic Load and the Cardiovascular Cost of Never Recovering

Allostasis is the physiologic process by which the body changes set points to meet acute demand — heart rate rises during a sprint, blood pressure[…]