Knowledge
These short articles explain the core concepts behind HalfLifeDB. They are written for general education and focus on model assumptions, terminology, and common reasons real measurements differ from a simple curve.
Articles
- What is drug half-life? A plain-language explanation of half-life and what a half-life number does and does not mean.
- Half-life math in one page The simple equation behind exponential decay, with worked examples and common mistakes.
- Half-life vs duration Why subjective effects can end long before a substance is eliminated and why the reverse can also happen.
- Terminal vs effective half-life How multi-compartment behavior can make a single half-life number misleading.
- Steady state and accumulation How repeated dosing changes concentration over time and why 4–5 half-lives is a rule of thumb.
- Why half-life varies between people and studies A checklist of variables that shift pharmacokinetic estimates across populations and conditions.
See also: all drugs · categories · editorial policy