In about 35 to 52 percent of childless couples, the male partner is the cause for infertility. This percentage is increasing in number nowadays because of the changes in the lifestyle of most of the males.
Many men consume alcohol occasionally, increased smoking rate among young people, physical inactivity, more stress in the workplace, irregular unhealthy diet, change of sleep pattern (poor sleep), etc.
All the above-mentioned things are the main cause of life-threatening diseases like diabetes, hypertension, high cholesterol, heart attacks, cerebrovascular attack (brain stroke) and most importantly 'infertility'.
Main causes of male infertility: