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1.
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FAQ042
What happens during puberty?
When puberty starts, your brain sends signals to certain parts of the body to start growing and changing. These signals are called hormones. Hormones make your body chan...
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March 2013
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2.
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FAQ073
What is human papillomavirus (HPV)?
Human papillomavirus (HPV) is a virus that can be passed from person to person through skin-to-skin contact. More than 100 types of HPV have been found. About 30 ...
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February 2013
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3.
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FAQ113
What is human immunodeficiency virus (HIV)?
Human immunodeficiency virus (HIV) is the virus that causes acquired immunodeficiency syndrome (AIDS).
How do you get HIV?
HIV enters the bloodstream ...
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December 2012
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4.
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FAQ125
What are hepatitis B and hepatitis C?
Hepatitis B is an infection caused by the hepatitis B virus. Hepatitis C is an infection caused by the hepatitis C virus. Both diseases are contagious and can l...
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July 2012
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5.
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FAQ093
What is hepatitis B virus?
Hepatitis B virus is one of a number of hepatitis viruses that attack and damage the liver. Other types include hepatitis A, hepatitis C, and hepatitis D. The liver is an o...
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August 2011
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6.
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FAQ167
What is human papillomavirus (HPV)?
Human papillomavirus (HPV) is a virus that can be passed from person to person through skin-to-skin contact. More than 100 types of HPV have been found. About 30 o...
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August 2011
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7.
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FAQ028
What is vaginitis?
Vaginitis is an inflammation of the vagina. As many as one third of women will have symptoms of vaginitis sometime during their lives. Vaginitis affects women of all ages but is mo...
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August 2011
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8.
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FAQ082
How does human immunodeficiency virus (HIV) infection occur?
Human immunodeficiency virus (HIV) enters the bloodstream through certain body fluids—in most cases, blood or semen. Once in the blood, th...
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August 2011
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9.
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FAQ071
What are gonorrhea, chlamydia, and syphilis?
Gonorrhea, chlamydia, and syphilis are sexually transmitted diseases (STDs). These three STDs can cause serious, long-term problems if they are not treate...
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August 2011
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10.
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FAQ072
What causes sexual problems in women?
Some common causes of sexual problems in women include the following: Aging—A woman's libido (another term for interest in and desire for sex) and sexual activit...
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May 2011
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