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Immune System and Disorders

Your immune system is a complex network of cells, tissues, and organs that work together to defend against germs. It helps your body to recognize these “foreign” invaders. Then its job is to keep them out, or if it can’t, to find and destroy them. If your immune system cannot do its job, the results […]

Immunization

Shots may hurt a little, but the diseases they can prevent are a lot worse. Some are even life-threatening. Immunization shots, or vaccinations, are essential. They protect against things like measles, mumps, rubella, hepatitis B, polio, tetanus, diphtheria, and pertussis (whooping cough). Immunizations are important for adults as well as children. Your immune system helps […]

Impaired Driving

Impaired driving is dangerous. It’s the cause of more than half of all car crashes. It means operating a motor vehicle while you are affected by Alcohol Legal or illegal drugs Sleepiness Distractions, such as using a cell phone or texting Having a medical condition which affects your driving For your safety and the safety […]

Impetigo

Impetigo is a skin infection caused by bacteria. It is usually caused by staphylococcal (staph) bacteria, but it can also be caused by streptococcal (strep) bacteria. It is most common in children between the ages of two and six. It usually starts when bacteria get into a break in the skin, such as a cut, […]

Indigestion

Nearly everyone has had indigestion at one time. It’s a feeling of discomfort or a burning feeling in your upper abdomen. You may have heartburn or belch and feel bloated. You may also feel nauseated, or even throw up. You might get indigestion from eating too much or too fast, eating high-fat foods, or eating […]

Indoor Air Pollution

We usually think of air pollution as being outdoors, but the air in your house or office could also be polluted. Sources of indoor pollution include Mold and pollen Tobacco smoke Household products and pesticides Gases such as radon and carbon monoxide Materials used in the building such as asbestos, formaldehyde and lead Sometimes a […]

Infant and Newborn Care

Going home with a new baby is exciting, but it can be scary, too. Newborns have many needs, like frequent feedings and diaper changes. Babies can have health issues that are different from older children and adults, like diaper rash and cradle cap. Your baby will go through many changes during the first year of […]

Infant and Newborn Development

When will my baby take his first step or say her first word? During their first year, babies start to develop skills they will use for the rest of their lives. The normal growth of babies can be broken down into the following areas: Gross motor – controlling the head, sitting, crawling, maybe even starting […]

Infant and Newborn Nutrition

Food provides the energy and nutrients that babies need to be healthy. For a baby, breast milk is best. It has all the necessary vitamins and minerals. Infant formulas are available for babies whose mothers are not able or decide not to breastfeed. Infants usually start eating solid foods between 4 and 6 months of […]

Infection Control

Every year, lives are lost because of the spread of infections in hospitals. Health care workers can take steps to prevent the spread of infectious diseases. These steps are part of infection control. Proper hand washing is the most effective way to prevent the spread of infections in hospitals. If you are a patient, don’t […]

Infections and Pregnancy

If you are pregnant, an infection can be more than just a problem for you. Some infections can be dangerous to your baby. You can help yourself avoid infections: Don’t eat raw or undercooked meat Don’t share food or drinks with other people Wash your hands frequently Don’t empty cat litter. Cats can transmit toxoplasmosis. […]

Infectious Arthritis

Most kinds of arthritis cause pain and swelling in your joints. Joints are places where two bones meet, such as your elbow or knee. Infectious arthritis is an infection in the joint. The infection comes from a bacterial, viral, or fungal infection that spreads from another part of the body. Symptoms of infectious arthritis include […]

Infectious Diseases

Infectious diseases kill more people worldwide than any other single cause. Infectious diseases are caused by germs. Germs are tiny living things that are found everywhere – in air, soil and water. You can get infected by touching, eating, drinking or breathing something that contains a germ. Germs can also spread through animal and insect […]

Infectious Mononucleosis

Infectious mononucleosis, or “mono”, is an infection usually caused by the Epstein-Barr virus. The virus spreads through saliva, which is why it’s sometimes called “kissing disease.” Mono occurs most often in teens and young adults. However, you can get it at any age. Symptoms of mono include Fever Sore throat Swollen lymph glands Sometimes you […]

Infertility

Infertility means not being able to become pregnant after a year of trying. If a woman can get pregnant but keeps having miscarriages or stillbirths, that’s also called infertility. Infertility is fairly common. After one year of having unprotected sex, about 15 percent of couples are unable to get pregnant. About a third of the […]

Inhalants

If you’re a parent, you may fear that your kids will use drugs such as marijuana or LSD. But you may not realize the dangers of substances in your own home. Household products such as glues, hair sprays, paints and lighter fluid can be drugs for kids in search of a quick high. Many young […]

Inhalation Injuries

There are a variety of substances you can inhale that can cause acute internal injuries. Particles in the air from fires and toxic fumes can damage your eyes and respiratory system. They also can make chronic heart and lung diseases worse. Symptoms of acute inhalation injuries may include Coughing and phlegm A scratchy throat Irritated […]

Insect Bites and Stings

Most insect bites are harmless, though they sometimes cause discomfort. Bee, wasp, and hornet stings and fire ant bites usually hurt. Mosquito and flea bites usually itch. Insects can also spread diseases. In the United States, some mosquitoes spread West Nile virus. Travelers outside the United States may be at risk for malaria and other […]

Insomnia

Insomnia is a common sleep disorder. If you have it, you may have trouble falling asleep, staying asleep, or both. As a result, you may get too little sleep or have poor-quality sleep. You may not feel refreshed when you wake up. Symptoms of insomnia include: Lying awake for a long time before you fall […]

International Health

The spread of a disease doesn’t stop at a country’s borders. With more people traveling to other countries and living in crowded cities, it’s easier for germs to spread. Infectious diseases that start in one part of the world can quickly reach another. Drug resistance is on the rise, making it harder to treat certain […]

Internet Safety

For most kids and teens, technology is an important part of their lives. They browse the Web for information, use social networking sites, text, and chat. But there can also be dangers, and it is important for parents to monitor their children’s use and teach them how to be safe online: Never give out personal […]

Interstitial Cystitis

Interstitial cystitis (IC) is a condition that causes discomfort or pain in the bladder and a need to urinate frequently and urgently. It is far more common in women than in men. The symptoms vary from person to person. Some people may have pain without urgency or frequency. Others have urgency and frequency without pain. […]

Interstitial Lung Diseases

Interstitial lung disease is the name for a large group of diseases that inflame or scar the lungs. The inflammation and scarring make it hard to get enough oxygen. The scarring is called pulmonary fibrosis. Breathing in dust or other particles in the air is responsible for some types of interstitial lung diseases. Specific types […]

Intestinal Cancer

Your small intestine is part of your digestive system. It is a long tube that connects your stomach to your large intestine. Intestinal cancer is rare, but eating a high-fat diet or having Crohn’s disease, celiac disease, or a history of colonic polyps can increase your risk. Possible signs of small intestine cancer include Abdominal […]

Intestinal Obstruction

An intestinal obstruction occurs when food or stool cannot move through the intestines. The obstruction can be complete or partial. There are many causes. The most common are adhesions, hernias, cancers, and certain medicines. Symptoms include Severe abdominal pain or cramping Vomiting Bloating Loud bowel sounds Swelling of the abdomen Inability to pass gas Constipation […]