Subfertility, a condition in which a person is less fertile than
average but still capable of contributing to a pregnency,
affects about one in 20 men. Up to 80 percent of subfertility
could be due to sperm damage caused by oxidative stress or
harmful particles produced by a person's own body. While
infertility has historically been seen as a woman's problem,
male infertility is present in up to half of infertile couples.
Varicocele, a condition in which a man has varicose veins in the
scrotum, is the most common cause of male subfertility. Other
causes include hormonal disorders, problems with quantity and
motility of sperm, infections, obesity, drug use and exposure to
radiation and chemotherapy. Depending on the condition, male
infertility and subfertility can be treated with surgery,
hormone therapy and assisted reproductive technologies. While,
as we've seen, some doctors dismissed the link between
antioxidants and fertility, others said they were not surprised
by the results because healthy nutrition an