8 things your guy is doing that are lowering his sperm count.
1. Not ejaculating enough
It’s a misconception that men have to save up sperm when it’s baby-making time. Frequent sexual activity is important for sperm health. “If the body isn’t getting the message to produce sperm, it won’t produce as much,” says Baratz. “Essentially, use it or lose it.” Health experts recommend that males ejaculate once or twice a week to maintain production.
Nutrition Journal revealed that men who drink more than four cups of coffee a day have a higher proportion of abnormally shaped sperm.
3. Working on the couch
Exposure to heat is known to affect sperm production. Saunas, hot tubs, and even heated car seats are all culprits, but one of the most common sources of heat is laptops. “Laptop computers can cook the sperm,” says Baratz. Occasional use isn’t a problem, but working with a laptop on his lap all day or every day can affect sperm, says Dunne. Give him a pillow or tabletop to place his computer on instead. It’s also worth noting that certain occupations that involve heat, such as working as a chef in a hot kitchen or as a firefighter in a non-breathable uniform, can hurt sperm count.
4. Smoking
Smoking either tobacco or marijuana may reduce sperm count, efficacy, and quality, says Baratz. “Toxins and contaminants make their way from the lungs through the circulatory system to the testicles,” says Baratz. A 2015 study in Postgraduate Medical Journal revealed that cigarette smoke can lower sperm count by as much as 17.5 percent. According to a 2015 study in the American Journal of Epidemiology, smoking marijuana more than once a week has been linked to a 28 percent lower sperm concentration. But simply stopping smoking can affect sperm count within a couple of months.
5. Getting stressed
It’s difficult to quantify the effects of stress due to its subjective nature, but fertility experts in general recommend that men try to reduce it. Researchers at Columbia University’s Mailman School of Public Health found that men who feel stressed are more likely to have lower concentrations of sperm. Stress leads to increased levels of the hormone glucocorticoid, which can hurt the production of testosterone and sperm. Taking anti-anxiety medications or antidepressants can worsen the problem. “Certain medications can lead to erectile dysfunction and affect the amount of ejaculate,” says Dunne. Experts recommended natural stress-busting activities like massage, yoga, and acupuncture.
6. Having a high BMI
Researchers at the University of Southern Denmark found that as a male’s body mass index (BMI) increases, his sperm count decreases. Even slightly overweight men with a BMI of 25 can have a 22 percent lower sperm count. A diet rich in fruits and vegetables is one way to fight off those extra pounds and may help sperm in more ways than one, says Baratz. “There are many vitamins in fruits and veggies that have been found to improve the quality of sperm, including vitamins C and E, selenium and zinc."
8. Drinking too much alcohol
When consumed in high doses, alcohol can affect the ability of the testes to produce sperm. That said, moderate consumption of red wine (14 drinks or less per week, and not more than two or three at a time) may have a protective effect on sperm. The antioxidants found in red wine can help reduce sperm’s exposure to free radicals, which can damage cells and DNA, says Dunne.

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