Drug use: Anabolic steroids taken to stimulate muscle strength and growth can cause the disturbances in .
Alcohol use: Drinking alcohol can lower testosterone levels, cause erectile dysfunction and decrease sperm production.
Tobacco smoking: Men who smoke may have a lower sperm count than those who don’t smoke. Secondhand smoke also may affect male fertility.
Emotional stress: Stress can interfere with certain hormones needed to produce sperm. Severe or prolonged emotional stress, including problems with fertility, can affect your sperm count.
Depression: Research shows that the likelihood of pregnancy may be lower if a male partner has severe depression.
Weight: Obesity can impair fertility in several ways, including directly impacting sperm themselves as well as by causing hormone changes that reduce male fertility.
Physical inactivity: Physical activity is important to boost the metabolism of the body.
High intake of saturated fat & sugar: Your diet habit also impact your fertility.