00:00Dehydration. It's something we often overlook, but a new research shows that it may be fueling more than just thirst.
00:07It may actually increase stress and anxiety.
00:10A new study from Liverpool John Moores University reveals some surprising links.
00:15Scientists found that drinking too little water could raise your stress hormone levels.
00:20The hormone in question here is cortisol.
00:23It's known as the body's primary stress hormone.
00:26When cortisol spikes, it puts extra strain on your body.
00:30Over time, this can lead to heart diseases, diabetes, and even depression.
00:35Here is how this study worked.
00:37What researchers did is they divided the healthy young adults into two groups.
00:41One group drank less than 1.5 liters of fluid per day.
00:45That's less than about 7 cups of tea.
00:48The other group drank recommended amounts, that is 2 liters for women and 2.5 liters for men.
00:54Now, both the groups went through the social stress test.
00:58This test simulates real-life stress, like giving a job interview or doing tough math in front of a crowd.
01:06Now, what the researchers found is eye-opening.
01:09Both groups felt just as anxious and had similar heart rate increases during the test.
01:15But only the group that drank less had a significant rise in cortisol.
01:20The low-fluid group did not even feel thirstier.
01:24But their urine was darker and more concentrated.
01:28That's a clear sign of dehydration.
01:30This is important.
01:31It shows dehydration quietly amps up your body's stress response.
01:36Dr. Daniel Kashy, part of the research team, explains it very clearly.
01:41He says that being hydrated may help your body manage stress more effectively.
01:46So, what's causing this?
01:47It's linked to a hormone called vesopressin.
01:50When your body senses dehydration, vesopressin is released.
01:54It helps your kidneys hold onto water and keep your blood balanced.
01:58That's good in the short term.
02:00But if vesopressin is high for too long, it strains your kidneys.
02:03Plus, it acts as your brain's stress center.
02:06It signals the hypothalamus to ramp up cortisol production.
02:10This adds another layer to how your body reacts to dehydration.
02:14Not only are your kidneys working overtime, but your brain is kicking stress into higher gear.
02:21The takeaway?
02:22Drink enough water is not just about quenching thirst.
02:26It's about protecting your mental and physical health.
02:29If you have a packed schedule and looming deadlines or public speaking,
02:34keeping water near could be especially helpful.
02:37Staying hydrated might make stressful situations easier to handle.
02:42You can check your hydration easily at home.
02:44Look at your urine color.
02:46A light urine color usually means good hydration,
02:49and darker urine means that you need to drink more water.
02:52Experts recommend about 2 liters for women and 2.5 liters for men each day.
02:58This does not just include plain water, but all fluids like tea, coffee, and soup.
03:04While more studies are needed, but this research highlights a simple lifestyle habit
03:09that could improve your mental well-being.
03:12So next time you feel stressed, pause and drink some water.
03:15It might help calm your body's natural stress signals.
03:19In today's busy world, it's easy to forget basic self-care.
03:23But small actions like sipping water regularly can protect you from bigger health risks down the road.
03:29Keep a bottle handy at your desk or in your bag.
03:32Make hydration a priority, not an afterthought.
03:35That's the secret many overlook.
03:37Simple water intake can quietly reduce anxiety and keep your health on track.
03:42So stay hydrated and stay healthy.
03:44Keep a lobby.
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