Sitting with a laptop on your lap for a long period of time will increase the temperature in the scrotum, which will result in a reduced sperm production.
Environmental hazards and toxins such as pesticides, lead, paint, radiation, radioactive substances all lower the sperm count.
30 minutes in a jacuzzi or hot tub can temporarily decrease sperm production according to a study published in 2007.
Many lubricants will slow down your sperm or even damage it. Even our natural lubricant, saliva is known to damage sperm.
Phthalates, the chemical found in plastics is found in many shampoos, soaps, deodorants and shaving creams. And the effects are the same.
The common household chemical bisphenol A (BPA) can lower sperm counts and motility, according to a study in Reproductive Toxicology. Food packaging is a major source of BPA, which can seep into the food. Most food cans are coated with BPA resin, and acidic canned foods are especially risky.
Abstaining from sex is another way your sperm count will get lowered. Your sperm will change shape and lose motility.
Too much exercise will lower your sperm count, but indirectly by lowering the testosterone level in your body.
Drinking alcohol inhibits sperm production and decreases the testosterone levels which reduces the sperm count.
BPA, a hormone disrupting chemical is found in 40% of receipts. A study published in journal Fertility and Sterility reported that a higher BPA level in men’s urine results in a low sperm count.