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Health Tip: Raise Your Chances of Having a Baby

(HealthDay News) -- Infertility affects about 1 in 10 couples that are trying to have a baby, the U.S. National Institutes of Health says.

Advancing age is a prime cause of infertility, but there are other factors that are more under a person's control, the agency says, including:

• Alcohol consumption.

• Smoking.

• Environmental toxins, including pesticides and lead.

• Certain medicines.

• Radiation treatment and chemotherapy.

• Stress.

• Poor diet.

• Being overweight.

• Sexually transmitted infections.