He heat It is noticeable in many ways. We sweat more, are sometimes more irritable, sometimes more sexually aroused, mosquitoes become our faithful and unwanted companions… And our nails become longer. This the effect of heat on nails It may be less dramatic than increased libido or mosquito repellency, but it’s a reality that may have caught your attention.
Interestingly, there are people who travel a lot and even claim that their nails grow much longer in warmer countries. This is difficult to verify, since not all of us travel equally or with sufficient frequency to conduct a representative study. But we all have one summer a year, and we all see that our nails grow longer because of the heat.
The key is in how our body cools itself. We have several natural cooling mechanismsbut for their proper development it is necessary that dilation of blood vessels. It helps us cope with the heat, but it also makes us use the nail clippers much more often. It may be a bit boring, but it’s always better than heat stroke. The next time you complain about your nails growing too fast, remember this.
The Effect of Heat on Nails
One of the main mechanisms our body uses to cool itself is sweating. When the temperature rises, sweat is released through the sweat glands and settles on the skin. Once there, it must evaporate. It takes heat to change from a liquid to a gas, so this is extracted from the body.
On the other hand, in order to make this heat easier to extract, the blood vessels located near the surface of the skin dilate, facilitating a greater flow of blood, while it also much more heat is transferred.
So what does this have to do with heat on nails? Well, everything. The tips of your fingers and toes are highly vascularized. This means that there are many blood vessels close to the surface of the skin. There is also a high vascularity right at the root of the nail, from which growth occurs.
When heat causes blood vessels to dilate, more blood reaches the base of the nail. Blood contains nutrients that allow it to grow. So the hotter the heat, the faster your nails grow.
Holidays also have an impact
On vacation, we rest more, do less manual work that injures the nail and prevents its growth. That is why they grow more in the summer It’s not just the heatIt also has to do with how little damage we do to them.
Example of sleep mode
Scientists have also studied something curious: animals that hibernate have a radical halt in nail growth. In fact, nails grow faster in winter. The reason is the exact opposite of what we just saw. The cold causes blood vessels to constrict, so less blood flows to the base of the nail and, as a result, less nutrients for its growth.

This is good for hibernating animals. However, they have additional mechanisms that not only slow nail growth. They stop it completely.
This reduces energy expenditure, which is reduced to a minimum during this period. This is very beneficial for these species, but we do not hibernate. Perhaps we would like our nails to grow more slowly in the summer so that the manicure lasts longer, but this cannot be. There is no other choice but to trim our nails regularly. But this means that our circulatory system is working properly. This is a good sign. Those who do not console themselves, do so because they do not want to.
Source: Hiper Textual
