The impact of fever on male fertility is often overlooked. Fevers are usually a response to infection. They’re typically short-lived and serve as a defense mechanism to help the body fight off illness. They can also have a temporary but significant impact on male fertility.

“Hot” lifestyle choices have a significant impact on male fertility. Many common activities and habits can inadvertently raise scrotal temperature, making it harder to conceive. Understanding these risks and making informed lifestyle choices can help men protect their reproductive health.

A varicocele is a condition that affects an estimated 15% of men – and 40% of men experiencing infertility. A varicocele is essentially an enlargement of the veins within the scrotum, similar to varicose veins that occur in the legs. This condition can lead to increased scrotal temperature, which is one of the biggest causes of male infertility. When combined with external heat exposure, the effects of a varicocele can be even more pronounced, making it a double threat to male reproductive health.

Occupational exposure to high temperatures is a significant concern for many men, particularly those working in environments where heat is an unavoidable part of the job. Whether you work in a steel mill, bakery, kitchen, construction site, or other high-temperature setting, chronic exposure to elevated temperatures can have serious implications for your fertility. These risks are well-documented and understanding them is crucial for men with hot jobs in order to protect their reproductive health.

Spermatogenesis, the process of sperm production, is highly sensitive to temperature. There’s a reason the testes evolved to their location in the scrotum – outside the body. This ensures that they are kept at an optimal temperature, which is slightly cooler than the core body temperature. Typically, the temperature in the scrotum is about 2-3 degrees Celsius lower than the rest of the body, which is crucial for the proper development of sperm. Even slight deviations from this temperature can have profound effects on male fertility, making the impact of high temperatures a significant concern.

Environmental toxins are ubiquitous these days – in the news and in reality – and they pose a significant threat to male fertility. Exposure to certain chemicals can negatively impact sperm quality, count, and motility, making it harder to conceive. Here are some strategies for avoiding environmental toxins to combat male infertility.

The importance of sleep in reducing male infertility cannot be overstated. Quality sleep is essential for hormone regulation, sperm production, and overall reproductive health. Here are a few ways improving sleep can enhance male fertility.

Stress has become almost a synonym for modern life, and its impact on health, including male fertility, is profound. Chronic stress can lead to hormonal imbalances, reduced sperm quality, and difficulty in conceiving. There are techniques, however, for managing stress, and here’s how they can improve male fertility.

Male fertility can be affected by several factors, and heat is one of the most significant environmental influences on sperm production. For optimal sperm health, the temperature of the testes needs to be between 3.5 to 7 degrees lower than the rest of the body. So, choosing the right underwear is important for maintaining that cool environment around your testes.

The location of the testicles outside the body serves an essential purpose: maintaining an optimal temperature for sperm production. Testicles function best at a temperature 3.5 to 7 degrees cooler than the rest of the body. Unfortunately, many daily activities unknowingly raise scrotal temperature, potentially hindering sperm quality and fertility.

We all know sleep is essential for our overall health, but did you know it plays a critical role in male fertility? Sleep regulates key hormones, reduces stress, and ensures the body functions at its best — all of which are vital for reproductive health.

We worked with fertility doctors and the UK’s Channel4 to test the cooling power of Snowballs against boxers and regular briefs. Three men spent a day wearing each type of underwear, and then an infrared thermometer was aimed at their hot zones.