Tag: Extreme thirst

A human can survive for weeks without food, but only a matter of days without water. This stark difference highlights the critical nature of hydration and makes the comparison between food deprivation and water deprivation especially compelling.

According to a study published by the National Institutes of Health, vitamin D receptor inactivation can lead to significantly increased water intake by affecting thirst-regulating hormones. This research points toward a complex answer to what deficiencies cause extreme thirst, showing it can go beyond simple dehydration and involve specific nutritional imbalances.

While dehydration is the most common cause of intense thirst, a nutritional link to excessive thirst (polydipsia) exists, though not in the way many people assume. Interestingly, extreme thirst isn't typically caused by a vitamin deficiency, but can be a serious symptom of vitamin *toxicity*, particularly related to an excess of Vitamin D.