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Is it good for sperm to be hot?

Prolonged exposure to a warmer temperature will make sperm die. This will show up in a semen analysis as reduced motility (movement).

winfertility.com - Heat and Male Fertility - WINFertility

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December 22, 2015

It’s Not Good to be Hot, Hot, Hot!

Did you know that heat affects a man’s fertility, and not in a good way? Too much heat is the enemy of sperm production. Why does that matter, and what can you do? Here are a few facts.

Temperature is Critical

Sperm are produced by a man’s testicles (commonly called balls). There’s a reason that the testicles are outside a man’s body cavity. The testicles need to be four degrees cooler than body temperature to make plenty of healthy sperm. The cremaster muscle contracts to pull the testicles closer to the body if they start to get too cold, and it relaxes to push them farther from the body to cool off if they get too warm. Prolonged exposure to a warmer temperature will make sperm die. This will show up in a semen analysis as reduced motility (movement).

Causes of Heat Exposure

The testicles can become too warm from environmental causes or from problems in the man’s body. Environmental causes include hot tubs, saunas, laptops, cellphones (large ones you balance on your lap), being around a hot stove such as cooking and grilling, tight-fitting clothes, and cycling. Anything that compresses the testicles and holds them closer to the body can raise that temperature and destroy sperm. Physiological problems include running a fever, especially for more than a day, and issues with the testicles themselves, such as an undescended testicle or a varicocele, swollen veins due to reduced blood flow. Obesity can be a factor as well, since fat deposited around the testicles would be an insulator to keep them warmer.

Reducing Heat Exposure

Some of these suggestions sound like a joke, but some can make a difference in sperm production. Research has shown that sitting in a hot tub or sauna can reduce sperm production, so that’s something to avoid if you’re part of a couple trying to conceive. Put that laptop or that oversized cellphone on a table or a desk, not on your lap. Don’t wear tight jeans or underwear. If you’re exposed to heat at work or during your leisure time, take breaks to cool off. Celebrity chef Gordon Ramsay has been open about his struggles with infertility due to long hours in hot kitchens. He and his wife Tana, were able to conceive with IVF treatment. If you’re overweight, losing as little as five to 10 percent of your body weight may help. Cycling has been associated with reduced sperm production. If you’re an ardent cyclist, look into getting a special bicycle seat which doesn’t put as much pressure and heat on the scrotum. A urologist can evaluate you for problems with the testicles and determine if outpatient surgery can correct them.

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Why is celery good for you?

Celery is loaded with antioxidants. These include well-known varieties such as flavonoids and vitamin C, as well as lunularin and bergapten. These and other antioxidants help to prevent the oxidative stress that contributes to cancer. Celery is rich in a phytochemical known as phthalides.

webmd.com - Celery: Health Benefits, Nutrients, Preparation, and More - WebMD

Long a top choice for low-calorie snacking, celery is a popular vegetable that can be found on nearly any veggie tray or alongside any dip. Most people are aware that celery is low in calories, but few realize just how much this antioxidant-filled vegetable can boost both short and long-term health. It might not deliver the most exciting flavor, but what celery lacks in taste, it more than makes up for in nutrients. What's more, its mild flavor and aroma could be one of its greatest strengths, as it works well as a vehicle for dip and is included in a wide array of soups and salads. A member of the Umbelliferae family, celery is closely related to carrots and parsnips. Historians believe it originated in the Mediterranean region, where it was prized for its medicinal properties. Today, when most Americans think of celery, they picture the popular green stalks grown in California, Florida, and Michigan. Also known as Pascal celery, green stalk celery is available in local varieties such as Tall Utah and Golden Boy. Other versions such as Safir and Par Cel tend to have thinner stalks and more aromatic leaves.

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