4 Signs You Might Be Dehydrated

We all know that we should drink at least 1/2 our body weight in water in ounces. But when you are working out and sweating even more in the heat, be aware of the signs that you might need to rehydrate.

#1: You have trouble focusing.  

If your body temperature rises as high as 104° F (40° C), you may first experience headaches and nausea. These are two of the most common signs of dehydration. Since the human brain is made up roughly of 75 percent water, dehydration can impact athletic performance and cognitive awareness, causing confusion and even delirium in more acute cases. Research indicates that losing even two percent of your body weight from water affects your decision-making abilities and hand-eye coordination.

Dehydration may even affect your sense of direction, so if you’re getting discombobulated during longer runs or on twisty, single-track mountain bike trails, reach for the water bottle and electrolytes, take a quick break to acclimate, and then get back on track.

#2: You’re more motivated than coordinated.

If you’ve taken a brief exercise vacation or been AWOL from your usual routine due to injury or other important obligations, you may be tempted to overdo exercise just in time for beach season. For those who carry an extra 10 to 20 pounds, even mild dehydration may cause a dramatic reduction in performance and heat tolerance, so adjust your exercise intensity and take frequent breaks.

#3: You feel all kinds of crampy.  

That frustrating stitch in your side is enough to bench you until further notice, right? Water helps regulate body temperature, and when you’re not  drinking enough water especially when it’s hot, research shows your muscles respond by overheating and tensing up. And we all know that there are few sensations more unpleasant than  sudden muscle cramps in your toes or a mean charley horse in your calf.

#4: Your heart is skipping a beat (at least it feels like it is).  

It’s not uncommon to occasionally feel out of breath during an intense workout. But take note of sudden changes in breathing and heart rate, and start cooling down and rehydrating if you feel jumpy changes in your heart’s rhythm. Water moves nutrients through your digestive system and blood stream, which is why it’s tough for your skin, muscles and circulatory system to cleanse and support your organs properly when you’re dehydrated. Being dehydrated can also slow down your metabolic rate, or the rate at which you burn and use calories. And that’s something pretty much no one ever wants.

If you also begin feeling excessively fatigued during even a moderate routine — and your heart is racing — you may be at risk of developing more dangerous signs of dehydration, including dizziness, vision problems and heart arrhythmias. Start cooling down gradually, then swill water and/or a sports drink immediately.

If you do plan on exercising intensely this summer, wear sunscreen when you’re outside, modify your workouts according to the temperature in your workout space and your fitness level, and consider a sports drink in addition to drinking water before, during and after more extreme workouts. Drink up!

Note:  Get immediate medical care if you develop severe symptoms of dehydration such as lack of urination, shriveled skin, fever with vomiting and delirium.

*article from BB Blog


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