Blazing summer heat may not just be making you sweat, it could also be taking a toll on your fertility. Rising temperatures are increasingly being linked to a decline in sperm health, with studies suggesting that excessive heat exposure can reduce sperm count, impair motility, and damage DNA integrity. According to a recent study published in the journal BMC Public Health, “Increased heat exposure and elevated scrotal temperature are considered important contributors to declining male fertility.”And with heatwaves becoming more frequent and intense, especially in tropical regions, reproductive health may be at greater risk than ever before. Men’s testicles are designed to stay slightly cooler than the body’s core temperature; that’s why they’re located outside the body. But, how exactly does high environmental heat impact sperm production and quality?Dr Dhruva G Prakash, Consultant Urology at DHEE Hospitals, tells indianexpress.com, “Sperm production is highly temperature sensitive. The testes are located outside the body in the scrotum because they require a slightly cooler environment than the core body temperature to support healthy sperm development. Exposure to prolonged heat, whether from high environmental temperatures, tight clothing, hot baths, or even placing laptops directly on the lap, can raise scrotal temperature. This thermal stress can impair spermatogenesis, the process through which sperm are produced.”When exposed to excessive heat, Dr Prakash says, sperm may exhibit reduced motility, a lower count, and abnormal morphology. Oxidative stress and DNA fragmentation may also increase, both of which can affect fertility outcomes. In very hot climates, men who are already predisposed to lower sperm quality may see more pronounced effects if protective measures are not taken.Are the effects of heat on sperm temporary or can they lead to long-term fertility issues if repeated over time?In most cases, the effects of heat exposure on sperm quality are temporary. Sperm take approximately 64 to 72 days to fully develop, so improvements in lifestyle and temperature regulation can lead to recovery in sperm health over a few months. “However, repeated or prolonged exposure to high temperatures over the years can potentially lead to more persistent issues, especially in men who already have borderline fertility or other underlying reproductive concerns,” states the expert. Men trying to conceive are advised to minimise such exposures and consult a fertility specialist or urologist if they have ongoing difficulty with conception.Story continues below this adFive ways to salvage your fertility this summerAccording to Dr Prakash, there are several simple but effective measures men can take to protect their sperm health during hotter months. Here are five ways to safeguard fertility:Wear loose, breathable clothing: Opt for boxers instead of tight underwear to help regulate scrotal temperature.Avoid heat-inducing habits: Prolonged sitting with devices like laptops on the lap or spending too much time in hot tubs and saunas should be avoided.Stay well-hydrated: Hydration plays a critical role too, as dehydration can indirectly affect overall reproductive function.Eat an antioxidant-rich diet: Maintaining a balanced diet rich in antioxidants like vitamins C and E, zinc, and selenium can help counteract oxidative stress on sperm. Regular moderate exercise and good sleep hygiene also support hormonal balance and reproductive health.Be mindful of heat exposure at work: Lastly, men should be mindful of occupational heat exposure and, if needed, take breaks in cooler environments during the workday. “If there are any concerns about fertility or sperm quality, early consultation with a urologist can provide clarity and actionable guidance,” suggests Dr Prakash. DISCLAIMER: This article is based on information from the public domain and/or the experts we spoke to. Always consult your health practitioner before starting any routine.📣 For more lifestyle news, click here to join our WhatsApp Channel and also follow us on Instagram© IE Online Media Services Pvt Ltd