Amber prescription vials with blank labels beside a stainless pill-counting tray of plain white generic tablets on a wooden dispensing counter, illustrating transparent medication pricing.

Christopher Bray - 22 July 2026 - 11:02 pm

Pennies Per Pill: How Direct Primary Care Strips the Markup Out of Generic Medications

Transparent medication pricing starts with an uncomfortable fact: a surprising amount of the price of a generic medication at a retail pharmacy is not the[…]

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

Christopher Bray - 20 July 2026 - 9:55 pm

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 overhead view of brown mushrooms, peanuts in the shell, a bowl of brown rice and one white capsule on a walnut table, illustrating nicotinamide and DNA repair.

Christopher Bray - 19 July 2026 - 7:14 pm

Refueling the Repair Crew: Nicotinamide, NAD+, and the DNA Damage Sunlight Leaves Behind

Key Takeaways: Every hour spent in July sunlight leaves a molecular paper trail, which is exactly why UV Safety Month is a reasonable time to[…]

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.

Christopher Bray - 19 July 2026 - 6:52 pm

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[…]

Two men in their fifties talking quietly on the steps of an old porch at sunset, coffee mugs in hand, illustrating how male depression is recognised and discussed.

Christopher Bray - 18 July 2026 - 5:29 pm

What Male Depression Actually Looks Like: Why the Textbook Description Misses Half the Cases

Key Takeaways: The standard depression checklist was developed and validated mostly on female patients, and it emphasizes the symptoms women are more likely to report:[…]

An older woman with a hearing aid in conversation with a younger man across a kitchen table in warm daylight, illustrating the link between hearing loss and dementia.

Christopher Bray - 17 July 2026 - 5:19 pm

The Largest Modifiable Dementia Risk: Why Hearing Loss in Midlife Matters More Than You Think

The link between hearing loss and dementia is now among the most robust findings in prevention research. In the most recent Lancet standing Commission on[…]

hA walker on a sandy dune path at sunrise above a wide bay, sun starburst low on the horizon, illustrating the link between sunlight and nitric oxide.

Christopher Bray - 16 July 2026 - 9:33 pm

The Sun Under Your Skin: How UVA Releases Nitric Oxide and Lowers Blood Pressure

Key Takeaways: Sunlight and nitric oxide are connected by a chemistry that has nothing to do with vitamin D. The dermis and epidermis hold a[…]

A wooden cutting board with two raw egg yolks in a bowl, a bowl of edamame, walnuts and chives in bright kitchen light — dietary sources of choline for the brain.

Christopher Bray - 16 July 2026 - 9:31 pm

The Forgotten Memory Nutrient: Why Choline Belongs on Your Brain List

Key Takeaways: Choline is one of the few nutrients formally classified as essential that most adults still consume well below adequate intake. Its central job[…]

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.

Christopher Bray - 14 July 2026 - 8:37 pm

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 calm blue-grey bedroom at first light, with white linen bedding and a wooden nightstand holding a lit candle and a glass of water, illustrating the link between sleep and testosterone.

Christopher Bray - 13 July 2026 - 5:53 pm

The Bedroom Is the Endocrine Lab: How Short Sleep Crashes Testosterone

Key Takeaways: Sleep and testosterone are tightly coupled. Testosterone in men follows a strong circadian rhythm, with the lion’s share of the day’s secretion generated[…]

Blog