Studies have found caffeinated drinks retain about as much fluid as water or sports drinks.
Regular caffeine intake makes us tolerant to the effect on irregular users of wanting to go to the toilet.
There's not enough evidence that sports drinks are any better at hydrating you than water.
Just a slight thirst could affect your brain.
Shutterstock/A and I Kruk
Feeling thirsty could be affecting your brain function more than you realise.
Refreshing – or a sentence to sweat?
Here's the science.
Feeling the burn.
It can take the body up to three weeks to fully recover from the strain of running a marathon, so here's some foods that are scientifically proven to help aid recovery.
By the time you feel thirsty, your body is already dehydrated.
Thanh Mai Bui Duy/Flickr
First we feel thirsty and fatigued, and may develop a mild headache. This eventually gives way to grumpiness, and mental and physical decline.
If the only liquid you consume is alcoholic, you’ll become dehydrated, especially in warmer climates.
Why does drinking too much leave you feeling so rotten?
You might not need to pee either.
There is no evidence for a link between moderate coffee consumption and dehydration, according to a study in PLOS ONE. The…
The 2003 European heat wave caused 80,000 deaths at temperatures Australians usually experience in a regular summer.
Acclimatising to heat is a tough gig. Since 1970, central Australian regions have warmed 1.2ᵒC and as the world continues to get warmer, increasingly common and increasingly intense heat waves will make…