While low levels of dehydration can cause headaches, lethargy, and constipation, high levels can cause serious complications such as kidney stone and heat stroke.

While low levels of dehydration can cause headaches, lethargy, and constipation, high levels can cause serious complications such as kidney stone and heat stroke.

While low levels of dehydration can cause headaches, lethargy, and constipation, high levels can cause serious complications such as kidney stone and heat stroke.

The kidneys filter unwanted substances from the blood and produce urine to excrete them.

The kidneys filter unwanted substances from the blood and produce urine to excrete them.

The kidneys filter unwanted substances from the blood and produce urine to excrete them.

Pale yellow urine is a sign that you are drinking enough water. If you are dehydrated, the urine will become a deep amber or even light brown. Pigments and other compounds in certain foods and medications can change your urine colour.

Pale yellow urine is a sign that you are drinking enough water. If you are dehydrated, the urine will become a deep amber or even light brown. Pigments and other compounds in certain foods and medications can change your urine colour.

Pale yellow urine is a sign that you are drinking enough water. If you are dehydrated, the urine will become a deep amber or even light brown. Pigments and other compounds in certain foods and medications can change your urine colour.