Answer:
Causes of male infertility. These may include: Abnormal sperm production or function due to undescended testicles, genetic defects, health problems such as diabetes or infections such as chlamydia, gonorrhea, mumps or HIV. Enlarged veins in the testes (varicocele) can also affect the quality of sperm.
Explanation:
D. All of the above.
Explanation: Advertisements are made to not only increase (hopefully) popularity of the item but also to make people want to buy the item.
The principle of overload states that the body adapts to every stimulus.
Answer:
Lifestyle Factors
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