Ten minutes of easy walking after eating changes the glucose curve in trial after trial. What the studies did, who they were in, and where the evidence thins out.
Short sleep is one of the few hormone disruptors tested in tightly controlled human experiments. What a run of five-hour nights did to testosterone, insulin and appetite, and what reversed it.
The lifting dose linked to longer life is far smaller than a bodybuilding split: pooled cohorts put the lowest mortality at about 30 to 60 minutes of strength work a week, on top of cardio.
The breakfast-and-weight rule comes from observational data. In randomized trials, people assigned to eat breakfast ended slightly heavier, while glucose handling is where skipping showed a cost.
