Brits warned about drinking ice cold water as heatwave sweeps the UK
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As the UK's currently gripped in a scorching heatwave many are glugging back water to keep cool.
But one man has shared a warning about downing ice cold water too quickly during a heatwave in a throwback social media post.
Adam Schaub, from Houston, Texas, was working in 100 degree heat back in 2018, when he had a nasty experience according to Tyla.
He wrote: "Cold water is good, so how could it be bad? Well, yesterday I found out. We were out working in 100° weather (not a good idea in itself) when my dad noticed my face was getting pretty red and suggested that I take a break.
"I immediately grabbed a cold bottle of water and drank it. After he did a little more work he suggested that I get in the truck and blast the a.c.
"In the truck, I drank some more cold water and very shortly started feeling strange. I started seeing spots, my stomach got extremely nauseous and my hands and feet started tingling. I felt like I was going to throw up so I opened the truck door and the next thing I know I'm face first in the ground and my dad's rolling me over and wiping off my face."
But according to The Sun GP Dr Sarah Jarvis what Adam experienced was due to drinking the cold liquid too fast which stimulates the nerves and leads to blood vessels in the sinuses expanding.
She explained: "The brain interrupts the messages from these nerves as coming from your forehead, because the same nerve supplies your forehead. You usually get a sudden pain, but it can make you feel lightheaded.
"Regardless of the cause, I do see people who feel unwell due to drinking cold fluids too quickly, so I certainly don't recommend it."
Generally, health experts recommend people have at least four pints – two litres – a day, but a little more in hot weather.
Doctors believe underlying health conditions rather than cold water alone causes fainting in hot weather.
At their most severe, conditions such as heat exhaustion, dehydration and more can also cause fainting.
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