About Your Body

Taking Care of Your Body > Why Do I Sweat So Much?

You have to get up in front of the class to make a presentation. As you walk to the front of the room, you feel your shirt sticking to your back and your armpits. You're sweating up a storm.

Although it may seem like some strange disorder, it's actually perfectly normal to sweat. Sweating plays an important role in the body because it helps maintain body temperature by cooling us down. When we're hot and we sweat, that moisture evaporates and cools us off a bit. We don't just sweat when we are hot. It's also normal for people to sweat when they're nervous because emotions can affect the sweat glands.

Sweating is one part of puberty. When our bodies starts to change, our roughly 3 million sweat glands become more active. This is especially true for glands in the armpits and groin and on the palms of the hands and soles of the feet. When the sweat comes in contact with bacteria on the skin, it can produce an odor, which may be stronger in some people than others.

So how to handle sweat? Take a bath or shower daily. If you're worried about smell, use a deodorant or a deodorant with antiperspirant (a deodorant masks odor, whereas a deodorant combined with antiperspirant prevents sweat).

It can also help to wear clothes made of natural fibers, such as cotton or linen, especially in the summer heat. Pads called underarm shields or dress shields can also help absorb sweat and prevent embarrassing underarm stains. These pads attach to the armpit area inside a person's clothes where they absorb sweat. You can buy them in the lingerie departments of many department stores and at some specialized sports stores. Some teens also keep an extra shirt in their lockers so they can change at school.

If you still worry about your sweating, talk to a doctor. Occasionally sweating too much might be a sign of a medical problem. Stronger antiperspirants are now available with a doctor's prescription — your doctor may think a prescription-strength antiperspirant might help you.

Your Body > Body Beautiful > Body Piercing

Body art has become so popular in the past few years that it's hard to walk down the street, go to the mall, or watch TV without seeing someone with a piercing or a tattoo. Whether it's ears, lips, nostrils, eyebrows, belly buttons, tongues, or even cheeks, you've probably seen piercings — maybe multiple piercings — on lots of people. Perhaps you think body piercings look cool and you've thought about getting one. But are they safe? Are they a good idea? And what should you be aware of if you do decide to get one?

What Is a Body Piercing and What Can You Expect?

A body piercing is exactly that — a piercing or puncture made in your body by a needle. After that, a piece of jewelry is inserted into the puncture. The most popular pierced body parts seem to be the ears, the nostrils, and the belly button.

If the person performing the piercing provides a safe, clean, and professional environment, this is what you can expect from getting a body part pierced:

• The area you've chosen to be pierced (except for the tongue) is cleaned with a germicidal soap (a soap that kills disease-causing bacteria and microorganisms).
• Your skin is then punctured with a very sharp, clean needle.
• The piece of jewelry, which has already been sterilized, is attached to the area.
• The person performing the piercing disposes of the needle in a special container so that there is no risk of the needle or blood touching someone else.
• The pierced area is cleaned.
• The person performing the piercing checks and adjusts the jewelry.
• The person performing the piercing gives you instructions on how to make sure your new piercing heals correctly and what to do if there is a problem.

Before You Pierce That Part

If you're thinking about getting pierced, do your research first. If you're under 18, some places won't allow you to get a piercing without a parent's consent. It's a good idea to find out what risks are involved and how best to protect yourself from infections and other complications.

Certain sites on the body can cause more problems than others — infection is a common complication of mouth and nose piercings because of the millions of bacteria that live in those areas. Tongue piercings can damage teeth over time. And tongue, cheek, and lip piercings can cause gum problems.

Studies have shown that people with certain types of heart disease might have a higher risk of developing a heart infection after body piercing. If you have a medical problem such as allergies, diabetes, skin disorders, a condition that affects your immune system, or infections — or if you are pregnant — ask your doctor if there are any special concerns you should have or precautions you should take beforehand. Also, it's not a good idea to get a body piercing if you're prone to getting keloids (an overgrowth of scar tissue in the area of the wound).

If you decide to get a body piercing:

• Make sure you're up to date with your immunizations (especially hepatitis and tetanus).
• Plan where you will get medical care if your piercing becomes infected (signs of infection include excessive redness/tenderness around the piercing site, prolonged bleeding, pus, and change in your skin color around the piercing area).

Also, if you plan to get a tongue or mouth piercing, make sure your teeth and gums are healthy.

Making Sure the Piercing Shop Is Safe and Sanitary

Body piercing is regulated in some states but not others. Although most piercing shops try to provide a clean and healthy environment, some might not take proper precautions against infections or other health hazards.

If you decide to get a body piercing, do a little investigative work about a shop's procedures and find out whether it provides a clean and safe environment for its customers. Every shop should have an autoclave (a sterilizing machine) and should keep instruments in sealed packets. Ask questions and make sure:

• the shop is clean
• the person doing the piercing washes his or her hands with a germicidal soap
• the person doing the piercing wears fresh disposable gloves (like those worn at a doctor's office)
• the person doing the piercing uses disposable or sterilized instruments
• the person doing the piercing does not use a piercing gun (they're not sterile)
• the needle being used is new and is being used for the first time
• the needle is disposed of in a special sealed container after the piercing
• there are procedures for the proper handling and disposal of waste (like needles or gauze with blood on them)

It's also a good idea to ask about the types of jewelry the shop offers because some people have allergic reactions to certain types of metals. Before you get a piercing, make sure you know if you're allergic to any metals. Only nontoxic metals should be used for body piercings, such as:

• surgical steel
• solid 14-karat or 18-karat gold
• niobium
• titanium
• platinum

If you think the shop isn't clean enough, if all your questions aren't answered, or if you feel in any way uncomfortable, go somewhere else to get your piercing.

Some Health Risks

If all goes well, you should be fine after a body piercing except for some temporary symptoms, including some pain, swelling at the pierced area, and in the case of a tongue piercing, increased saliva. But be aware that several things, including the following, can go wrong in some cases:

• chronic infection
• uncontrollable or prolonged bleeding
• scarring
• hepatitis B and C
• tetanus
• skin allergies to the jewelry that's used
• abscesses or boils (collections of pus that can form under your skin at the site of the piercing)
• inflammation or nerve damage

Depending on the body part, healing times can take anywhere from a few weeks to more than a year. If you do get a piercing, make sure you take good care of it afterward — don't pick or tug at it, keep the area clean with soap (not alcohol), and don't touch it without washing your hands first. Never use hydrogen peroxide because it can break down newly formed tissue. If you have a mouth piercing, use an antibacterial mouthwash after eating.

If you're thinking of donating blood, be aware that some organizations won't accept blood donations from anyone who has had a body piercing or tattoo within the last year because both procedures can transmit blood-borne diseases.

If your piercing doesn't heal correctly or you feel something might be wrong, it's important to get medical attention. Most important, don't pierce yourself or have a friend do it — make sure it's done by a professional in a safe and clean environment.

A Guy's Guide to Body Image

Al's friend Rachel invited him to go to the lake for the day with her family. Rachel thought Al was fun to be around — plus he was cute. Rachel really hoped he'd say yes.

Al turned Rachel down. He liked Rachel, too, but was self-conscious about taking off his T-shirt. He worried that her family and others at the lake would see what he saw when he looked in the mirror — a scrawny excuse for a man. Al hadn't gone to the pool in more than a year because he was so self-conscious about his appearance.

The Truth About Guys

Many people think of guys as being carefree when it comes to their appearance. But the reality is that a lot of guys spend plenty of time in front of the mirror. It's a fact — some guys care just as much as girls do about their appearance.

You may hear a lot about being a tough guy, but how often do you hear that being a guy is tough? Guys might think that they shouldn't worry about how they look, but body image can be a real problem for them. Unlike girls, guys are less likely to talk to friends and relatives about their bodies and how they're developing. Without support from friends and family, they may develop a negative self-image. The good news is that self-image and body image can be changed.

Why Is Body Image Important?

Body image is a person's opinions, thoughts, and feelings about his or her own body and physical appearance. Having a positive body image means feeling pretty satisfied with the way you look, appreciating your body for its capabilities and accepting its imperfections. Body image is part of someone's total self-image. So how a guy feels about his body can affect how he feels about himself. If he gets too focused on not liking the way he looks, a guy's self-esteem can take a hit and his confidence can slide. (The same thing can happen to girls, too.)

How Puberty Affects Body Image

Although body image is just one part of our self-image, during the teen years, and especially during puberty, it can be easy for a guy's whole self-image to be based on how his body looks. That's because our bodies are changing so much during this time that they can become the main focus of our attention.

A change in your body can be tough to deal with emotionally — mainly because, well, your body is yours and you have become used to it.

Some guys don't feel comfortable in their changing bodies and can feel as if they don't know who they are anymore. Being the only guy whose voice is changing or who's growing body hair (or the only guy who isn't) can also make some guys feel self-conscious for a while.

Some guys go into puberty not feeling too satisfied with their body or appearance to begin with. They may have wrestled with body image even before puberty started (for example, battles with weight or dissatisfaction with height). For them, puberty may add to their insecurities.

It Could Be in Your Genes

It can be tough to balance what you expect to happen to your body with what actually does happen. Lots of guys can have high expectations for puberty, thinking they'll develop quickly or in a certain way.

The best way to approach your own growth and development is to not assume you'll be a certain way. Look at everyone in your family — uncles, grandfathers, and even female relatives — to get an idea of the kinds of options your genes may have in store for you.

When Everyone Else Seems Bigger

Not everyone's body changes at the same time or even at the same pace. It can be tough if all of your friends have already matured physically and are taller and more muscular. Most guys eventually catch up in terms of growth, although some will always be taller or more muscular than others — it's in their genes.

It's natural to observe friends and classmates and notice the different ways they're growing and developing. Guys often compare themselves with other guys in certain settings, and one of the most common is the locker room. Whether at a local gym or getting ready for a game at school, time in the locker room can be daunting for any guy.

Try to keep in mind in these situations that you aren't alone if you feel you don't "measure up." Many guys feel exactly the same way about their own bodies — even those whose physiques you envy. Just knowing that almost everyone else will go through the same thing can make all the difference.

You could try talking to a trusted male adult — maybe a coach, a doctor, a teacher, or your dad. Chances are they went through similar experiences and had some of the same feelings and apprehensions when their bodies were changing.

Picture Perfect?

Guys put enough pressure on themselves, but what about the pressure society puts on them to be perfect?

It used to be that only girls felt the pressure of picture-perfect images, but these days the media emphasis on men's looks creates a sense of pressure for guys, too. And sometimes (actually many times) that "as advertised" body is just not attainable. The men you see in those pictures may not even be real. Magazines and ad agencies often alter photographs of models, either by airbrushing the facial and muscular features, or by putting a good-looking face on someone else's buff body.

Building a Better Body Image

So in the face of all the pressure society places on guys — and guys place on themselves — what can you do to fuel a positive body image? Here are some ideas:

• Recognize your strengths. Different physical attributes and body types are good for different things — and sometimes the things you did well as a kid can change during puberty. What does your body do well? Maybe your speed, flexibility, strength, or coordination leads you to excel at a certain sport. Or perhaps you have non-sports skills, like drawing, painting, singing, playing a musical instrument, writing, or acting. Just exploring talents that you feel good about can help your self-esteem and how you think of yourself.
  
  
• A good body doesn't always translate into athletic success. Too often, the way guys see their body image is closely associated with their performance on a sports field or in the gym. The upside to this is that if you're good at a team sport, you might have a pretty good view of your body. But what if you don't like team sports or you got cut from a team you really wanted to make? In these cases, it helps to look at individual accomplishments.
  
  If you don't like team sports, that's OK. Try finding another form of physical activity that really gets you going. Depending on your interests and where you live, that may be mountain biking, rock climbing, dancing, yoga, or even jogging. This will help you stay in shape and help you to appreciate skills may not have realized you had in a team environment.
  
  If you like team sports but didn't make a particular team, don't let it get you down. Use this as an opportunity to discover what you're good at, not to lament what you aren't best at. Maybe try out for another team — so soccer wasn't for you, but maybe cross-country running will be.
  
  If none of these appeal to you, continue to practice the sport you were cut from and try again next year. The people around you probably won't remember that you didn't make the team — not being picked was a much bigger deal to you than it was to them.
  
  
• Look into starting a strength training program. Exercise can help you look good and feel good about yourself. Good physiques don't just happen — they take hard work, regular workouts, and a healthy diet. There's no need to work out obsessively. A healthy routine can be as simple as exercising 20 minutes to 1 hour three days a week. Another benefit to working out properly is that it can boost your mood — lifting weights can lift your spirits.
  
  
• Don't trash your body, respect it! To help improve your view of your body, take care of it. Smoking and other things you know to be harmful will take a toll after a while. Treating yourself well over time results in a healthier, stronger body — and that contributes to a better body image. Practicing good grooming habits — regular showering; taking care of your teeth, hair, and skin; wearing clean clothes, etc. — also can help you build a positive body image.
  
  
• Be yourself. Your body is just one part of who you are — along with your talent for comedy, a quick wit, or all the other things that make you unique. Your talents, skills, and beliefs are just as much a part of you as the casing they come in. So try not to let minor imperfections take over.

While it's important to have a positive body image, getting too focused on body image and appearance can cause a guy to overlook the other positive parts of himself. If you're like most guys who take care of their bodies and wear clothes that look good, you probably look great to others. You just might not be aware of that if you're too busy being self-critical.

Your Guide to the Male Reproductive System

The purpose of the organs of the male reproductive system is to perform the following functions:

• To produce, maintain and transport sperm (the male reproductive cells) and protective fluid (semen)
• To discharge sperm within the female reproductive tract during sex
• To produce and secrete male sex hormones responsible for maintaining the male reproductive system

Unlike the female reproductive system, most of the male reproductive system is located outside of the body. These external structures include the penis, scrotum, and testicles.

• Penis: This is the male organ used in sexual intercourse. It has 3 parts: the root, which attaches to the wall of the abdomen; the body, or shaft; and the glans, which is the cone-shaped part at the end of the penis. The glans, also called the head of the penis, is covered with a loose layer of skin called foreskin. (This skin is sometimes removed in a procedure called circumcision.) The opening of the urethra, the tube that transports semen and urine, is at the tip of the penis. The penis also contains a number of sensitive nerve endings.

  The body of the penis is cylindrical in shape and consists of 3 circular shaped chambers. These chambers are made up of special, sponge-like tissue. This tissue contains thousands of large spaces that fill with blood when the man is sexually aroused. As the penis fills with blood, it becomes rigid and erect, which allows for penetration during sexual intercourse. The skin of the penis is loose and elastic to accommodate changes in penis size during an erection.

  Semen, which contains sperm (reproductive cells), is expelled (ejaculated) through the end of the penis when the man reaches sexual climax (orgasm). When the penis is erect, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm.

• Scrotum: This is the loose pouch-like sac of skin that hangs behind the penis. It contains the testicles (also called testes), as well as many nerves and blood vessels. The scrotum acts as a "climate control system" for the testes. For normal sperm development, the testes must be at a temperature slightly cooler than body temperature. Special muscles in the wall of the scrotum allow it to contract and relax, moving the testicles closer to the body for warmth or farther away from the body to cool the temperature.

• Testicles (testes): These are oval organs about the size of large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord. Most men have two testes. The testes are responsible for making testosterone, the primary male sex hormone, and for generating sperm. Within the testes are coiled masses of tubes called seminiferous tubules. These tubes are responsible for producing sperm cells.

Your Guide to the Female Reproductive System

Sexual Health: Your Guide to the Female Reproductive System

The female reproductive system is designed to carry out several functions. It produces the female egg cells necessary for reproduction, called the ova or oocytes. The system is designed to transport the ova to the site of fertilization. Conception, the fertilization of an egg by a sperm, normally occurs in the fallopian tubes. The next step for the fertilized egg is to implant into the walls of the uterus, beginning the initial stages of pregnancy. If fertilization and/or implantation does not take place, the system is designed to menstruate (the monthly shedding of the uterine lining). In addition, the female reproductive system produces female sex hormones that maintain the reproductive cycle.

What Parts Make-up the Female Anatomy?

The female reproductive anatomy includes internal and external structures.

The function of the external female reproductive structures (the genitals) is twofold: To enable sperm to enter the body and to protect the internal genital organs from infectious organisms. The main external structures of the female reproductive system include:

• Labia majora: The labia majora enclose and protect the other external reproductive organs. Literally translated as "large lips," the labia majora are relatively large and fleshy, and are comparable to the scrotum in males. The labia majora contain sweat and oil-secreting glands. After puberty, the labia majora are covered with hair.
• Labia minora: Literally translated as "small lips," the labia minora can be very small or up to 2 inches wide. They lie just inside the labia majora, and surround the openings to the vagina (the canal that joins the lower part of the uterus to the outside of the body) and urethra (the tube that carries urine from the bladder to the outside of the body).
• Bartholin's glands: These glands are located beside the vaginal opening and produce a fluid (mucus) secretion.
• Clitoris: The two labia minora meet at the clitoris, a small, sensitive protrusion that is comparable to the penis in males. The clitoris is covered by a fold of skin, called the prepuce, which is similar to the foreskin at the end of the penis. Like the penis, the clitoris is very sensitive to stimulation and can become erect.

The internal reproductive organs in the female include:

• Vagina: The vagina is a canal that joins the cervix (the lower part of uterus) to the outside of the body. It also is known as the birth canal.
• Uterus (womb): The uterus is a hollow, pear-shaped organ that is the home to a developing fetus. The uterus is divided into two parts: the cervix, which is the lower part that opens into the vagina, and the main body of the uterus, called the corpus. The corpus can easily expand to hold a developing baby. A channel through the cervix allows sperm to enter and menstrual blood to exit.
• Ovaries: The ovaries are small, oval-shaped glands that are located on either side of the uterus. The ovaries produce eggs and hormones.
• Fallopian tubes: These are narrow tubes that are attached to the upper part of the uterus and serve as tunnels for the ova (egg cells) to travel from the ovaries to the uterus. Conception, the fertilization of an egg by a sperm, normally occurs in the fallopian tubes. The fertilized egg then moves to the uterus, where it implants into the lining of the uterine wall.

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