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Muscle the day after a long effort, sore locally rather than systemically inflamed

What the day-after ache is actually signaling

| 7 min read

The soreness after a long effort is not the same signal as chronic inflammation, and muscle IL-6 is not a fire alarm.

#Inflammation
A mid-afternoon energy dip on a clock, after the post-lunch insulin rise

The afternoon dip is a pacing problem, not a moral one

| 7 min read

The mid-afternoon slump is circadian and post-meal, with mitochondria supplying ATP at the pace the cell allows.

#Mitochondria
A runner in the last minutes, when the keep-going signal matters more than comfort

What dopamine does in the last minutes of hard effort

| 7 min read

Dopamine in hard effort is a keep-going signal, not a pleasure spray that arrives when the work is over.

#Dopamine
A morning glucose curve sitting higher after a short night than after a full one

How a short night changes the next morning's glucose

| 7 min read

A short night raises the morning cortisol signal and makes the same breakfast harder for insulin to clear.

#Cortisol #Sleep architecture