The safety of human exposure to an ever- increasing number and diversity of electromagnetic field EMF sources both at work and at home has become a public health issue. Deficient sperm production may be affected by factors such as radiation and other environmental toxins. Raised body temperature for any reason, and raising scrotal temperature by sitting in sofa or in hot water for a long period of time, can reduce sperm production. Healthy young men who watched more than 20 hours of TV each week had a 44 per cent lower sperm count than those who watched almost no TV. Radiations and excessive heat to the genitalia have damaging effect on the testicles. Hence individuals having direct contact with or exposure to such chemicals have high chances of having primary or secondary infertility. . Intense exercise didn't raise sperm count if accompanied by lots of hours in front of the TV.