Sweat, heat and sun protection in land-based sport
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Heat, seasons and the exposure nobody counts

Heat as the risk that arrives in hours rather than decades, the training block problem, spring, the commute, and what to record after a long day.

Heat and physiology, editorial abstract
Heat and physiology
Session length bands0-3030-6060-1202-4h4h+
01
2-4h

Heat, hydration and performance

Ultraviolet exposure accumulates over years. Heat can put someone in hospital in an afternoon. On a hot day, heat comes first.

Heat and physiology  /  1,755 words
02
60-120

The training block problem

People remember the one scorching day. The total comes from four ordinary sessions a week for five months, none of which felt like anything at all.

Heat and physiology  /  1,454 words
03
4h+

Spring, the unaccustomed season

The sun has climbed a long way by late March, the air is still cold, nobody has adjusted anything, and the first good weekend is seven hours long.

Heat and physiology  /  1,558 words
04
30-60

The commute and routine exposure

Two trips a day, at fixed hours, on the same route, in the same kit, for a working lifetime. It is transport, so nobody counts it as anything.

Heat and physiology  /  1,435 words
05
0-30

After the session

The five minutes after a long day outdoors are the only time you get real feedback on your exposure plan. Here is what to write down, and where the site stops and a GP begins.

Heat and physiology  /  1,608 words

The session brief

One email a month on exposure, heat and sun protection for people who train outdoors and people who work outdoors. No product recommendations, because we do not make any. Each issue carries a single clearly labelled sponsor line that has no influence on anything above it.

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