Myth-busting

Sweat is your cooling system, not a receipt for fat.

Soaked after a session and calling it proof. Your body was managing temperature, not printing results.

The short version

  • Sweat tracks heat, not effort
  • The kilo you 'lost' is water
  • Cool sessions still build bodies
  • Rate the session by its stimulus

Sweat tracks heat, not effort

A humid room, a warm day, your own physiology — all of it moves sweat volume more than the quality of your training does.

The kilo you 'lost' is water

Weigh less after a sweaty session and you've measured dehydration. It returns with your next two glasses — as it should.

Cool sessions still build bodies

Heavy strength work in a cold garage can barely dampen a shirt and still deliver more change than an hour of hot, soaked shuffling.

Rate the session by its stimulus

Load moved, reps earned, effort spent — those predict change. Moisture predicts laundry. Judge training by what it asked of your muscles.

Measure it instead of guessing

Arveno turns one photo into honest body-composition estimates — labelled as estimates, tracked as a trend. The first scan is free; membership is £1.99/month or £19.99/year, with the first 7 days free either way.

Get your free first scan

Keep reading