Home » Lifestyle » Let’s Talk Sex | The Truth About Penile Shrinkage: How Temperature Affects Size
5-MIN READ

Let’s Talk Sex | The Truth About Penile Shrinkage: How Temperature Affects Size

Written By: Prof (Dr) Saransh Jain

Last Updated: November 19, 2023, 13:51 IST

New Delhi, India

To minimise penile shrinkage and even reverse any loss in size, wear insulated underwear and pants, especially in cold weather. (Image: Shutterstock)

To minimise penile shrinkage and even reverse any loss in size, wear insulated underwear and pants, especially in cold weather. (Image: Shutterstock)

A decrease in the size of the penis is referred to as ‘penis shrinkage’. Some people may experience permanent shrinkage, while others may experience it as a result of a treatable illness or unhealthy lifestyle choices

Lets Talk Sex
Sex may permeate our popular culture, but conversations about it are still associated with stigma and shame in Indian households. As a result, most individuals dealing with sexual health issues or trying to find information about sex often resort to unverified online sources or follow the unscientific advice of their friends. To address the widespread misinformation about sex, News18.com is running this weekly sex column, titled ‘Let’s Talk Sex’. We hope to initiate conversations about sex through this column and address sexual health issues with scientific insight and nuance

In this article, we will dive into the truth about penile shrinkage and how temperature affects size.

Have you ever noticed that your manhood seems to shrink when it’s cold? This temperature-related size fluctuation is perfectly normal and nothing to worry about. A decrease in the size of the penis is referred to as “penis shrinkage”. Some people may experience permanent shrinkage, while others may experience it as a result of a treatable illness or unhealthy lifestyle choices.

When your body gets chilly, your penis will actually retract slightly into your pelvis to maintain an ideal temperature. As the temperature drops, your body constricts blood vessels in your penis. This reduces blood flow, causing temporary shrinkage. The good news is, as soon as your body warms back up, your blood vessels dilate again and blood flow increases, allowing your penis to return to its usual size. The effects are only temporary and do not cause any long-term changes.

The Science Behind the Shrink

Your penis size depends largely on blood flow. The science behind penile shrinkage comes down to basic human anatomy. Our bodies are always designed to maintain an ideal core temperature. When it’s cold out, your body limits blood flow to extremities like fingers, toes, and yes — your penis to retain heat in your vital organs. This is known as vasoconstriction, and it causes your blood vessels constrict, which limits blood flow to your penis. Therefore, causes those tissues to shrink in size.

Meanwhile, the shaft of your penis and testicles move closer to the body to maintain the optimal temperature for sperm production. This is an evolutionary mechanism to protect sperm and testes. The good news is, as soon as you warm up, normal blood flow will resume and your penis will return to its usual size.

Tips for Preventing and Reversing Shrinkage

To minimise penile shrinkage and even reverse any loss in size, here are some useful tips:

• Wear insulated underwear and pants, especially in very cold weather. Thermal base layers can make a big difference.

• Limit time outside in frigid temperatures when possible. The longer you’re exposed to cold, the more your body has to work to maintain core temperature.

• Exercise regularly to improve circulation. Good blood flow throughout your body will make it easier to keep extremities warm.

• Stay hydrated and avoid diuretics like caffeine that can deplete body fluids. Dehydration exacerbates the effects of vasoconstriction.

• Both alcohol and smoking can constrict blood vessels, reducing blood flow to the penis. Cut back or eliminate both of these habits for maximum penile health and size. Even moderate alcohol use or occasional smoking can have detrimental effects over time.

Other Factors That Can Cause Penile Shrinkage

Temperature isn’t the only factor that influences penis size. Other factors can also temporarily cause your penis to appear smaller. Some of them are:

1. Ageing: Fatty deposits in your arteries may cause a decrease in blood flow to your penis as you age. As a result, the muscle cells in the erectile tubes inside the penis may become weak. Erections are produced when your erectile tubes are engorged with blood; therefore, less blood flow means smaller or fewer firm erections, which may be concerning.

2. Dehydration: Your penis size depends on adequate blood flow, and blood flow depends on proper hydration. When you’re dehydrated, your blood volume decreases, resulting in less blood available for erections and a smaller looking penis, even when flaccid. Drink plenty of water and other non-caffeinated fluids to keep your body, and your penis, well hydrated.

3. Weight Gain: If you gain weight, especially around your lower abdomen, your penis may appear shorter. This is due to the thick pad of fat enveloping the shaft of your penis. When you look down at it, your penis may appear to have shrunk. Fat can enclose the majority of the penis in men who are extremely obese.

4. Prostate surgery: After having a cancerous prostate gland removed, most men experience mild to moderate penis shortening. One possible cause is abnormal groin muscle contractions that pull the penis deeper into a man’s body. The inability to obtain erections after this surgery deprives the erectile tissue of oxygen, causing muscle cells in the spongy erectile tissue to shrink. Scar tissue that is less stretchy forms around the erectile tissue.

5. Tight Clothing: Tight-fitting underwear, especially tight briefs, can compress your genitals and make your penis appear smaller. Switch to looser boxers or boxer briefs made of breathable fabrics like cotton to give your penis more room and allow for better air circulation. Loose clothing in general will prevent excess compression of your penis.

6. Stress and Anxiety: Feeling stressed or anxious causes changes in your body that can affect penis size. High stress levels increase cortisol, the stress hormone, which, in turn, decreases testosterone, the sex hormone responsible for libido and erections. Less testosterone means less blood flow to the penis, resulting in a smaller size.

So, there you have it, guys. The cold, hard facts about how temperature really does impact your penis size. While shrinkage may be uncomfortable or downright embarrassing at times, it’s a normal bodily reaction we all experience. The effects are only temporary, so try not to stress too much about it. If your penis seems permanently smaller or shorter, or hangs differently, see your doctor, especially if the change was sudden or unintentional. Don’t be embarrassed to discuss penis health and any changes you’ve noticed with your doctor. Early diagnosis and treatment of underlying conditions is key to preventing permanent damage and supporting your long term sexual and penile health.

first published:November 19, 2023, 13:51 IST
last updated:November 19, 2023, 13:51 IST