David Hall writes about nutrition, metabolism and the everyday health questions people tend to google late at night: what blood pressure numbers mean, how much protein you need as you get older, whether a winter vitamin D supplement is worth it, why you keep waking up to pee.
David isn’t a doctor or a dietitian, and doesn’t write as one. The work is reading the research so readers don’t have to: going back to the original studies and official guidelines, checking what they actually found, and explaining it in plain language, including the places where the evidence is thinner than the headlines suggest. Every article links to the sources it relies on.
A high PSA doesn't mean cancer, and a normal one doesn't rule it out. Here's what the test actually measures, why false positives and overdiagnosis matter, and what screening guidance says for men at each age.
Four common winter viruses can look almost identical on day one. Here's how they differ in onset, symptoms and contagiousness, when a home test is worth it, and when to call a doctor.
Waking up to urinate is one of the most common complaints in men over 50, but the prostate is only one possible cause. Here's how to tell the patterns apart and when it's worth seeing a doctor.
From October to March, sunlight at northern latitudes is too weak for your skin to make much vitamin D. Here's who is most likely to run low, what official guidance recommends, and why more isn't better.
The RDA for protein hasn't kept up with what research says about preserving muscle as you age. Here's what the numbers actually recommend by decade.
Separating fact from fad: what the research actually says about eating windows and metabolism.
A plain-English guide to systolic and diastolic readings, what's considered healthy, and when it's time to talk to a doctor.
Practical, low-medication strategies for getting through allergy season comfortably.
Exploring the gut-brain connection and simple dietary changes that may help.